Reference Articles 1 - 100 of 182
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Analysis of WiFi Propagation in Aircraft Interior Using MPI + GPU Technology
From: Remcom (USA)Description: Simulation improves product safety and performance in a variety of applications; however, the memory constraints for vast problem spaces and the enormous computation times on CPU-based platforms have ...
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Vehicle-to-Vehicle Communication Using MPI + GPU Technology
From: Remcom (USA)Description: Remcom's MPI + GPU technology and large memory support are used to simulate an inter-vehicle communication system operating in traffic on a highway. This example demonstrates how massive ...
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CST STUDIO SUITE 2013: Performance, Usability and Versatility
Description: Feature range and user experience are sometimes seen as mutually exclusive. The ever-increasing complexity of design tasks means that engineers need a broad range of powerful simulation tools and ...
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Simulating Crosstalk and EMI in Cables
Description: Cables not only transfer the power needed to run electrical equipment, but also the data signals needed to operate them. To prevent errors and device failures, the same attention must be paid to the ...
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From Layout to Eye Diagram - CST STUDIO SUITE 2012 and the EDA Workflow
Description: This article will describe how CST MICROWAVE STUDIO® can be successfully used to characterize the response of high-speed channels. ...
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Nanophotonics and Integrated Optics - Photonic Crystal Cavities
Description: This whitepaper gives a general overview on different concepts of photonic crystal cavities. The presented information will help the reader to decide which type of photonic crystal cavities will be ...
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Using 3D Electromagnetic Simulation to Optimize the EMC and EMI Performance of Automotive Multimedia Systems
Description: Continental - a global manufacturer of premium automotive multimedia systems for the OEM market - has applied state-of-the-art electromagnetic simulation techniques in the design of its latest car ...
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Part Replication with Laser Scanning
From: ShapeGrabberDescription: 3D laser scanning offers a fast and accurate way to create a complete digital 3D model of even the most complex part to aid in modeling and replication. ...
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Conformal Antenna Array Design on a Missile Platform
From: Remcom (USA)Description: Applications ranging from communications to RADAR and even medical devices depend on antenna arrays. Hand calculations successfully facilitate the construction of stand-alone arrays; however, what ...
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A Multiphysics Approach to Magnetron and Microwave Oven Design
Description: This paper presents a multiphysics simulation of a magnetron using CST STUDIO SUITE®, with the aim of testing the electrical, magnetic, thermal and mechanical characteristics of a ...
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AC Synchronous Reluctance Machine for Traction Application
From: Infolytica CorporationDescription: The rise of rare earth permanent magnet prices due to their limited supply has revived a great deal of interest in AC synchronous reluctance machines, particularly, for traction applications. In this ...
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Battery Charging with Maximal Peak Power Tracking
From: Infolytica CorporationDescription: A maximal peak power tracking (MPPT) example for wind power plant is implemented in this example. The load is a battery that is subjected to a variable speed, realistic wind profile. The system ...
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Matching circuit optimization for antenna applications
Description: Impedance matching is an essential part of antenna design. The input impedance of an antenna needs to be reasonably close to the amplifier impedance (e.g. 50 Ohm), otherwise the signal is reflected ...
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Optimization of a reflector antenna system
Description: n this paper a modular approach using the so-called System Assembly and Modeling (SAM) of CST STUDIO SUITE® is used to optimize a reflector antenna system in a piecewise manner. The results are ...
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Actuator with Diode
From: Infolytica CorporationDescription: This actuator example demonstrates the power of a fully integrated MagNet's Transient 3D with motion solver which simultaneously solves the circuit equations, the field equations on the finite element ...
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Microstrip Gap Waveguide on Electronic Band Gap Substrate Example
From: Remcom (USA)Description: A microstrip gap waveguide containing a mushroom-type EBG surface is simulated in XFdtd and compared to measured results. ...
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Position and speed of metal components measured with variable reluctance sensor
From: Infolytica CorporationDescription: Variable reluctance sensors are used to measure position and speed of moving metal components. This sensor consists of a permanent magnet, a ferromagnetic pole piece, a pickup coil, and a rotating ...
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Rectangular Waveguide Mode Converters
From: Remcom (USA)Description: Simulation of rectangular waveguides which are bent to create mode converters including TE20-TE10 and TE40-TE10. ...
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An Electrostatic Simulation of a Surge Arrester
From: Infolytica CorporationDescription: The surge arrester example presented on these pages is based on a document from the International Electrotechnical Commission (IEC) -- "Guide for the determination of voltage distribution along the ...
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Surge Arrester: Minimizing Electric Field Stress in Resistors
From: Infolytica CorporationDescription: The voltage distribution along the resistors in a surge arrester is uneven due to stray capacitances. It is possible to reduce the maximum electric field stress by a careful choice of position for the ...
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Thermal Characteristics of a 330 KV Surge Arrester
From: Infolytica CorporationDescription: Surge arresters are used in a number of industries as protective devices against a variety of electrical events such as high voltage lightning impulses. The design choices of various materials and ...
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Slotted Waveguide Antenna Application Example
From: Remcom (USA)Description: A composite right/left-handed waveguide with irregularly spaced and rotated slots is used as an antenna. ...
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Waveguide Cross-Coupled Filter Simulation
From: Remcom (USA)Description: Waveguide ports are used to excite a complex microwave filter with a folded waveguide structure linked by a cross-coupled filter. ...
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Wideband Pseudo-Elliptic Waveguide Filter
From: Remcom (USA)Description: Waveguide ports are used to excite a microwave filter constructed from WR-90 waveguide with cavity-backed inverters and multiple irises. ...
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4D Tomography: Imaging of Microstructural Evolution in Fuel Cells using high-resolution x-ray tomography
Description: Electrochemical devices are increasingly important in meeting future energy demands. Using x-ray CT and Avizo, it has been possible to image, reconstruct and visualize the oxidation of Ni in a fuel ...
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Estimation of Curvature from micro-CT Liquid-Liquid Displacement Studies with Pore Scale Resolution
Description: Interfacial curvature measurements from computed microtomography (CMT) data collected during 2-phase displacement can potentially provide in-situ capillary pressure (Pc) estimates. Results presented ...
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Fiber Orientation Visualization with Avizo Fire 3D analysis software
Description: The application of fiber orientation visualization, fiber orientation simplification, and its evaluation that will be described in this paper, were applied on a so called Ultra High Performance Fiber ...
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Micron to Millimeter Upscaling of Shale Rock Properties Based on 3D Imaging and Modeling
Description: 3D tomographic data at various scales is increasingly available through the wide adoption of Micro-CT and FIB-SEM (Focused Ion Beam - Scanning Electron Microscopy) technologies. However, upscaling ...
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Cloud Computing - Another Buzzword or
From: Azima DLIDescription: Cloud Computing is opening up many possibilities in the world of Predictive Maintenance (PdM). The benefits are quickly realized by companies who choose to leverage this technology. Cloud computing is ...
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COMPARISON OF IDEAL STAGE AND MASS TRANSFER MODELS FOR SEPARATION PROCESSES WITH AND WITHOUT CHEMICAL REACTIONS
Description: The design and optimization of separation processes is carried out using process simulators which utilize various calculation approaches. Two techniques which are widely used for modeling distillation ...
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Accuracy and Robustness of FDTD Simulation of Devices Characterized by Measured S-Parameters
From: Remcom (USA)Description: This presentation focuses on the introduction of the recent passivity enforcement method in FDTD calculations, to simulate circuit networks characterized by measured S-parameters together with other ...
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Conformal Antenna Array Design Using XFdtd
From: Remcom (USA)Description: Array modeling is a multistep process that often includes several revisions until the design goal is met. The Mobile Base Station Designer in XF7's XTend Script Library helps to speed up this design ...
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Waveguide Device Design Using XFdtd
From: Remcom (USA)Description: Simulation can greatly enhance the design and prototype process when developing new products. This is especially true for the design of waveguide devices, such as a cavity filter, as the engineer can ...
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A COMPARISON OF PHYSICAL SOLVENTS FOR ACID GAS REMOVAL
Description: Physical solvents such as DEPG (Selexol™ or Coastal AGR®), NMP or N-Methyl-2- Pyrrolidone (Purisol®), Methanol (Rectisol®), and Propylene Carbonate (Fluor Solvent™) are ...
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AN ANALYSIS AND PREDICTION OF HYDROCARBON DEW POINTS AND LIQUIDS IN GAS TRANSMISSION LINES
Description: The occurrence of liquid hydrocarbons in natural gas transmission lines has increased in recent years as a result of the shrinking price spread between natural gas and natural gas liquids (NGL's). ...
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An Analysis of Hydrate Conditions and Property Predictions in Acid Gas Injection Systems
Description: This paper will focus on the hydrate formation conditions for acid gas mixtures commonly found in acid gas injection systems. Many studies have analyzed the hydrate and solid formation temperatures of ...
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An Evaluation of General "Rules of Thumb" in Amine Sweetening Unit
Description: Many "rules of thumb" are widely used in the design and operation of amine sweetening units. These rules have been developed over the years and most engineers accept them even though many have little ...
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Composition Variety Complicates Processing Plans for US Shale Gas
Description: Recently higher gas prices and improved drilling technology have spurred shale gas drilling across the US. Some of the more popular areas are the Barnett, Haynesville, and Fayetteville shales in the ...
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Hydrate Inhibition with Methanol - A Review and New Concerns over Experimental Data Presentation
Description: Hydrate inhibition with methanol continues to play a critical role in many operations. Opportunities exist at many facilities for optimizing the amount of methanol required based on the operating ...
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HYDROCARBONS AND BTEX PICKUP AND CONTROL FROM AMINE SYSTEMS
Description: HC and BTEX absorption into amine solutions has received increased attention over the last decade due to emissions to the atmosphere or to problems in downstream equipment. The collection of VLE and ...
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INDUSTRIAL DESIGN AND OPTIMIZATION OF CO2 CAPTURE, DEHYDRATION, AND COMPRESSION FACILITIES
Description: On an industrial scale process, a comprehensive engineering design and optimization study was conducted for CO2 capture, dehydration, and compression facilities based on flue gases from natural gas ...
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Investigate Your Options
Description: This paper will investigate how computer aided simulation tools may be used to evaluate the existing acid gas handling systems as well as potential modifications in these units. In particular, the ...
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OPTIMIZATION OF NATURAL GAS GATHERING SYSTEMS AND GAS PLANTS
Description: Due to the increase in natural gas prices in the past few years, the benefits of optimizing natural gas gathering and processing systems have become substantially greater. These benefits can be ...
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OPTIMIZING METHANOL USAGE FOR HYDRATE INHIBITION IN A GAS GATHERING SYSTEM
Description: Hydrate inhibition with methanol continues to play a critical role in many operations. Numerous opportunities exist for optimizing methanol usage based on the operating conditions, seasonal variations ...
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PRACTICAL HYDROCARBON DEW POINT SPECIFICATION
Description: Hydrocarbon liquid dropout can cause a number of problems in gas transmission lines, including increased pressure drop, reduced line capacity, and equipment problems such as compressor damage. To ...
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PROPER INTERPRETATION OF FREEZING AND HYDRATE PREDICTION
Description: This paper focuses on the modeling of solid phase behavior in systems that are frequently encountered in natural gas processing. The ability to perform accurate calculation of freezing or solids ...
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STEADY-STATE SIMULATORS ARE DEVELOPING A DYNAMIC PERSONALITY
Description: Process simulators have been used for years to design and model actual operation of all types of different plant processes. The majority of process simulators provide a "steady-state" picture of plant ...
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SYNOPSIS OF SOFTWARE TECHNOLOGIES USED IN TODAY'S ENGINEERING SOFTWARE
Description: Most engineers have little familiarity with the software technologies that provide the framework for the variety of applications they employ, from word processors to process simulators. While adequate ...
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THE IMPACT OF ACID GAS LOADING ON THE HEAT OF ABSORPTION
Description: In amine sweetening units, the heat of absorption and VOC and BTEX solubility have been found to vary significantly with acid gas loading as well as with temperature, amine type, and amine ...
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USING PROCESS SIMULATORS WILL MAKE YOUR PLANT MORE PRODUCTIVE AND EFFICIENT
Description: The use of process simulators to model plant operations can provide a plant hundreds of thousands of dollars each year in increased production and lower energy costs. This paper looks at several ...
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Waterfall Analysis: Frequency Spectrum or Order Spectrum?
From: Prosig USA, Inc.Description: This article addresses two basic approaches to analyzing rotating machinery during transient (sweeping rpm) conditions. The first is the traditional method which uses Frequency (FFT) Spectrum analysis ...
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3D Engineering: How 3D Direct Modeling Empowers Conceptual Engineering and Enables Simulation-Driven Product Development
From: SpaceClaim CorporationDescription: In this white paper, Bruce Jenkins, an industry-leading analyst in engineering, simulation, and manufacturing, explores the results of his extensive research on how leading manufacturers are adopting ...
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Accelerating RTV Mold Development in a Rapid Prototyping Environment
From: SpaceClaim CorporationDescription: This white paper describes a new approach to creating functional, high quality, 3D elastomeric parts for your product prototypes faster and easier than previously possible. This solution utilizes the ...
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Overcoming the Barriers Imposed by Geometry
From: SpaceClaim CorporationDescription: CAE analysts often face the burden of poor quality and over-detailed geometric models in preparing finite element meshing for analysis. However, end users of SpaceClaim Engineer testify that the ...
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Release-to-CAD: The New Milestone Between Engineering & Documenting Products
From: SpaceClaim CorporationDescription: Increasingly, engineering organizations are distinguishing between concept design and detailed design activities. By creating a Release-to-CAD milestone before committing to detailed design, engineers ...
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Wide Band Integrators - What Are They?
From: Prosig USA, Inc.Description: It has been conventional wisdom that a higher order integrator is 'better'. Now, a rectangular integrator is a zero order integrator and a trapezium integrator is a first order integrator. So ...
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SigmaTEK Case Study: Tampa Bay Steel
From: SigmaTEK Systems, LLCDescription: Tampa Bay Steel has seen impressive results since implementing SigmaNEST. ...
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Case Study: How Remcom Consulting Helped ReGear Launch a Deep Tissue Heating Device
From: Remcom (USA)Description: When ReGear Life Sciences developed a new therapeutic deep heating garment for the shoulder, they needed to validate that the SAR value complied with all applicable FDA and FCC safety regulations ...
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Case Study: MRI Coil Improvement for Cardiac Imaging in Mice
From: Remcom (USA)Description: It is common knowledge that mice often serve as models for the study of human health conditions and experiments to improve human medical treatments. But most people probably don't consider the ...
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Installed Performance of Communication Antenna Arrays (.pdf)
Description: The presence of multiple communication antennas on a tower means that antennas may have to be installed in sub-optimal positions. Electromagnetic simulation can be used to design the antennas ...
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CUDA Implementation of Moving Window Finite Difference Time Domain
From: Remcom (USA)Description: This paper discusses using GPU acceleration within the Moving Window Finite Difference Time Domain (MWFDTD) method to achieve real time propagation simulation while maintaining accuracy. ...
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Using Electromagnetic Simulation to Ensure EMC Compliance: How Remcom's XFdtd Enabled KEC Limited to Differentiate Itself and Provide a Unique Customer Benefit
From: Remcom (USA)Description: KEC, a UK manufacturer of EMC interconnect components and cable harness assemblies, strengthened its market leadership and differentiated itself from the competition by offering a unique technology. ...
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16 Wire Conical Feed Monopole Antenna
From: EM Software & SystemsDescription: On this page results are presented for modeling the thick monopole with conical feed as a set of wires ...
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DVB Antenna Design and Matching with Antenna Magus, Optenni Lab and FEKO
From: EM Software & SystemsDescription: An antenna is designed for VHF and UHF DVB operation using Antenna Magus, a matching network is designed in Optenni Lab and the full combination simulated in FEKO. ...
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Electrical Performance of High Speed Signaling in Coupled Microstrip Lines
Description: Differential (DIFF) transmission lines are generally considered to be one of the most commonly used passive interconnect structures for high speed data transmission. Typically there are two ...
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16X Speedup in ANSYS Maxwell DSO on 32-Core High-Performance Compute Farm Doubles Traction Motor Design Productivity at General Motors
Description: Optimizing the design of traction motors used to drive electric vehicles (EVs) and hybrid electric vehicles (HEVs) is challenging because automakers have little experience in this area. ...
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Advanced Numerical Simulation for Hybrid and Electric Vehicles
Description: WWith concerns over air pollution and petroleum supplies, the use of hybrid electric vehicles (HEVs) and electric vehicles (EVs) have come to the forefront as alternatives to conventional gasoline and ...
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Battery Thermal Management in Electric Vehicles
Description: Advanced numerical simulation helps accelerate the development of safe, long-lasting and cost-effective batteries for electric vehicles. In the wake of growing concerns over petroleum supplies and air ...
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Breakthrough in Brake Squeal Prediction Helps to Eliminate Noise Problems Early in Design Process
Description: Engineers have succeeded in recent years in reducing many types of automobile noise. However, friction-induced squeal in automotive brakes is an increasing source of customer complaints. Currently, ...
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Overcoming the Challenges of Hybrid/Electric Vehicle Traction Motor Design
Description: Hybrid electric vehicles (HEVs) and electric vehicles (EVs) have been rapidly gaining traction in the global automobile market by providing high fuel efficiency and near-zero emissions at increasingly ...
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Scaling New Heights in Aerodynamics Optimization: The 50:50:50 Method
Description: Aerodynamics development is all about trade-offs, striking the right balance between styling needs and aerodynamic concerns. Nearly all major automotive and truck manufacturers use computational fluid ...
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New study | 4D tomography: imaging of microstructural evolution in fuel cells
Description: Electrochemical devices are increasingly important in meeting future energy demands. Using x-ray CT and Avizo, it has been possible to image, reconstruct and visualize the oxidation of Ni in a fuel ...
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Calculation of Cogging Torque in a Surface Permanent Magnet Motor
Description: CST EM STUDIO® is used to calculate the cogging torque in a 4-pole Surface Permanent Magnet Motor (PMSM). ...
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Magnetron and Microwave Oven Design to Solve Wi-Fi - Interference Issues
Description: This article describes how the different modules of CST STUDIO SUITE® can be used to aid the complete path of a magnetron and microwave oven design. ...
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Microdul gains deeper insight into finger detection sensors with CST EM STUDIO
Description: "CST software has definitely improved our knowledge about EM fields. With the newly obtained knowledge we can now better advise potential customers. We believe that this puts us ahead of our ...
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Sirona cuts development costs of dental X-Ray equipment with the aid of 3D EM Simulation
Description: "Electromagnetic simulation using CST EMS is now established at the heart of these significant improvements to the development and manufacturing processes." ...
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Waterfall Analysis: Frequency Resolution and Smearing
From: Prosig USA, Inc.Description: When measuring noise and vibration in rotating machines, especially complex devices like automobile engines, it is very important to fully understand what is being measured and what analyses need to ...
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3D EMC/EMI Simulation of Automotive Multimedia Systems
Description: A key challenge in automotive product design is the compliance to electromagnetic com-patibility (EMC) and interference (EMI) requirements in a cost-driven project environment. ...
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CST STUDIO SUITE® 2012: System Assembly and Modeling
Description: The key challenge facing RF engineers today is to minimize the time taken for the design and optimization of components, but the ability to do so is impeded by the need to use different EM simulation ...
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Proper Stack-Up in a Multilayer PCB to Reduce Noise Coupling and Improve EMI
Description: As digital circuits became faster, direct coupling among power planes in multilayer printed circuit boards (PCB) became a major concern for signal integrity/power integrity and electromagnetic ...
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Why is the microphone pressure reference 2*10**(-5) Pascals?
From: Prosig USA, Inc.Description: This seemingly simple question is actually quite fundamental. To answer the question we need to consider sound intensity. Now sound intensity is defined as "the average rate of flow of energy through ...
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INTRODUCTION TO OPERATING DEFLECTION SHAPE
From: Vibrant Technology, Inc.Description: Mode shapes and operating deflection shapes (ODS's) are related to one another. In fact, ODS's are always measured in order to obtain mode shapes. Yet, they are quite different from one another in a ...
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Simulating Base-Shake Environmental Testing
From: Vibrant Technology, Inc.Description: In most military aircraft and spacecraft applications, each payload structure must be pre-tested on a shake table to ensure that it can withstand the vibration environment that it will experience ...
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Using Operating Deflection Shapes to Detect Faults in Rotating Equipment
From: Vibrant Technology, Inc.Description: This paper is the third in a series where an operating deflection shape (ODS) is used as the means of detecting faults in rotating machinery [1] [2]. In this paper, ODS comparison is used as a means ...
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Modes Indicate Cracks in Wind Turbine Blades
From: Vibrant Technology, Inc.Description: On-line surveillance of the structural integrity of wind turbines is a critical need in this currently fast growing industry. The structural integrity of the turbine blades themselves is critical to ...
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Negative Frequencies - What Are They?
From: Prosig USA, Inc.Description: Normally when we are analysing a signal it is a purely real signal, that is it has no imaginary part. A classic example is of course a sine wave. When we analyse a signal with a Fourier transform, ...
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A Collaborative Approach to Solving Engineering Problems with CFD
From: ANSYS, Inc.Description: Ongoing advances in software and hardware, combined with the rapid growth of highperformance computing, have created exciting opportunities to take engineering simulation to new levels of scale, speed ...
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Advances in Core CFD Technology
From: ANSYS, Inc.Description: Product developers may see it as a perfect storm of challenges: increased product complexity, tighter quality requirements, and higher yield and productivity indexes. Even with such constraints, ...
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Cutting Design Costs
From: ANSYS, Inc.Description: With engineering managers increasingly sensitive to the cost of product design, it is no longer enough to justify engineering software based on gut feelings about its value. Managers want to see cold, ...
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What is Synchronous (Angular) Sampling?
From: Prosig USA, Inc.Description: The term synchronous data is usually applied to vibration or acoustic data that is captured from an item of rotating equipment at regularly spaced angle intervals as distinct from regularly spaced ...
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Poromechanics Investigation at Pore-scale Using Digital Rock Physics Laboratory
Description: this paper introduces an image-to-simulation framework. With highly efficient, interactive, and user friendly software algorithms powered by Avizo and Comsol Multiphysics, porous rock structure can be ...
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Porosity and permeability analysis on nanoscale FIB-SEM 3D imaging of shale rock
Description: Understanding the rock structure at nano to micro scale is of growing importance in geology, oil and gas, and hydrology. New approaches that rely on a variety of high resolution 3D imaging techniques ...
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Vibration Analysis - Should We Measure Acceleration, Velocity or Displacement?
From: Prosig USA, Inc.Description: When using vibration data, especially in conjunction with modelling systems, the measured data is often needed as an acceleration, as a velocity and as a displacement. Sometimes different analysis ...
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Understanding Windowing And Overlapping Analysis
From: Prosig USA, Inc.Description: This article was inspired by a question asked by a reader regarding a previous article - Data Windows : What, why and when?. Specifically, the reader asked "Could you please put an example about ...
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Diamond - CASE STUDY
From: SigmaTEK Systems, LLCDescription: Dennis Nadolsky has a lot on his shoulders. For several months the software guru has been, in essence, bringing into the 3-D CAD world some of the ideas that changed Diamond Heavy Haul from a ...
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Prodrive - CASE STUDY
From: SigmaTEK Systems, LLCDescription: Industrial & Agricultural Machinery Construction & Architecture Job Shop & Steel Service Centers Transportation Aerospace Furnishings & Cabinetry Ship & Boat Building Military Prodrive is well known ...
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VeriForm - CASE STUDY
From: SigmaTEK Systems, LLCDescription: Industrial & Agricultural Machinery Construction & Architecture Job Shop & Steel Service Centers Transportation Aerospace Furnishings & Cabinetry Ship & Boat Building Military Since it opened its door ...
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How To Measure Noise & Vibration In Rotating Machines
From: Prosig USA, Inc.Description: In this article we will look at the basic steps behind a simple rotating machinery study. We won't look in great detail at some of the techniques involved - these are dealt with elsewhere on the Noise ...
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Remcom's XFdtd and Wireless InSite: Advanced Tools for Advanced Communication Systems Analysis
From: Remcom (USA)Description: Ultra-wideband communications technologies such as LTE and WiMax take advantage of advanced equipment configurations such as complex antenna geometries and phased-array emitters. Such systems become ...
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Multi-GPU Accelerated Wing Tip Vortex Extraction
Description: MODERN CFD software can predict complex fluid flow phenomenon with unprecedented accuracy. However, the resulting data analysis task could be daunting due to the amount of the solution data. In the ...
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