Engineering and Scientific Software Reference Materials

Description: See how XFdtd simulates electric field interactions between headphones and the human head, revealing that most coupling occurs around the head. ...

Description: Dive into the capabilities of XFdtd's schematic editor and discover how it transforms schematic creation, analysis, and optimization in engineering. ...

Description: Trelleborg's Rapid Development Center accelerates the time to market for new products and provides Healthcare & Medical customers with a team of dedicated experts to support their journey from ...

Description: This paper discusses the FDTD method to simulate the behavior of plasma materials using Remcom's XFdtd 3D EM Simulation Software and presents validation in one and three dimensions. ...

Description: We have added a simple 'Emissivity and Background Correction Calculator' to our website, and produced what we hope is useful guidance, in response to the multiple requests for clarification from ...

Description: Locking systems for railway carriage doors would be a good example of a distributed system, the actuators are distributed through the length of a train, with large voltage fluctuations possible and ...

Description: The PHu‐ANA adds to the capabilities of the basic PHu module with a clear graphical display of the excitation current waveform. It helps the user to optimise excitation conditions for a solenoid ...

Description: ABB's Sabyasachi Bhattacharyya explains how ABB's digital suite connects the physical and digital worlds to help industrial players better manage their installed base of instrumentation devices and ...

Description: Human blockage at millimeter-wave frequencies is most commonly modeled through Knife-Edge Diffraction (KED) from the edges of the body shaped as a vertical strip. Although extensively validated in ...

Description: In this example, a compact Ku-band antenna array is demonstrated for use in mobile device applications. The antenna is tuned for 12.5 GHz operation and contains a 4x4 array of elements which each ...

Description: In 2020, McStarlite invested in automation by integrating a KUKA robot coupled with Robotmaster offline robot programming (OLP) software, to perform the lipskin polishing application. ...

Description: Robots were first introduced to manufacturing assembly lines in 1978. Since then, the hardware (mechanics and control systems) has improved significantly. Yet the way these robots are programmed has ...

Description: Faced with ongoing labor shortages for skilled workers who can perform finishing and surface treatment tasks, many in manufacturing are turning to robotics and automation to help them keep up with ...

Description: This paper investigates the accuracy of the finite-difference time-domain (FDTD) method for separately estimating coil conductor and radiative loss contributions. ...

Description: This simulation of a wearable dual-band MIMO antenna demonstrates a design for dual-band use constructed of textile materials. The performance of the antenna remains acceptable as it is deformed. When ...

Description: In this example, we use XFdtd to demonstrate the performance of a MU-MIMO WiFi router with antenna arrays for 2.4, 5, and 6-7 GHz ranges. The maximum coverage possible with different antenna array ...

Description: A millimeter wave antenna intended to operate at 60 GHz is designed by placing a cylindrical dielectric resonator on a silicon base for an on-chip design. The antenna produces a uniform, nearly ...

Description: A dual-band, dielectric-loaded horn antenna is analyzed with XFdtd to demonstrate performance at 94 and 340 GHz. The antenna consists of a dual port rectangular waveguide section at the feed end that ...

Description: A circularly polarized dielectric resonator antenna design is analyzed with XFdtd to determine performance for return loss, gain, and axial ratio. The resulting antenna is intended for use in compass ...

Description: A 140 GHz slot antenna array excited by a substrate integrated cavity is demonstrated for use in wireless communications. The antenna array has high gain, wide bandwidth, low fabrication costs, and ...

Description: Two variations of a cylindrical dielectric resonator antenna are analyzed to determine their performance characteristics. The first antenna is designed for dual-band performance at DCS frequencies ...

Description: This example demonstrates the performance of a remote camera with two-element antenna arrays for 2.4, 5, and 6 GHz capabilities for 802.11 a/b/g/n/ac/ax. The maximum coverage possible at each ...

Description: This paper introduces XFdtd's transient EM/circuit co-simulation capability, which combines the strength of 3D full-wave electromagnetic simulation with the flexibility of circuit solvers. ...

Description: At higher frequencies, the use of dielectric resonator antennas (DRAs) at fundamental modes can be complicated due to the small size of the resonator and its sensitivity to fabrication errors. In this ...

Description: These projects continue RIFTEK work in solving widespread 3D measurement challenges and is intended for non-contact measurement of geometric parameters of steel band rims used in the tire industry. ...

Description: Providing a road map for using Mendix to launch a low-code initiative ...

Description: Access this valuable series of videos from the Venable Vault. Learn about Design Oriented Analysis and "How to get more results for less work" ...

Description: Three-dimensional (3D) sensing is the technology of depth-sensing. It goes beyond the capabilities of traditional camera or imaging systems, which are designed to capture a two-dimensional (flat) ...

Description: As device performance is pushed to new levels by the increasing demands of 5G high frequency systems, the need for more comprehensive analysis tools for complex antenna systems continues to grow. ...

Description: Every extra part wrung from the same piece of raw and remnant material is money in your pocket. Here's how to significantly increase earnings. ...

Description: The invention of the electric light bulb changed the world, enabling human activity to continue 24 hours a day in all ambient conditions. Today, the lighting design industry is adopting Human Centered ...

Description: In this eBook, we'll give you a quick and general overview of the steps in the OLP process, particularly as it applies to the planning and design of a new robot work cell. ...

Description: How 3D manufacturing simulation can help you increase flexibility, reduce costs, and improve production performance. ...

Description: A Pick & Hold circuit regulates current applied to a solenoid or motor, applying high initial current (PICK) to develop high initial force/torque for fast response, then reducing this after a preset ...

Description: An easy formula for estimating cost is part of some simulation software providers' strategy. ...

Description: An antenna based on a transverse slotted rectangular waveguide design is realized in a substrate integrated waveguide structure and simulated in XFdtd® EM Simulation Software. The antenna scans ...

Description: A 60 GHz antenna array design is simulated in XFdtd to demonstrate suitability for use on wireless Virtual Reality headsets. The antenna array is comprised of elements each containing two patches and ...

Description: This example uses XFdtd to simulate the performance of a low cost, chipless RFID system. The RFID tag is comprised of two ultrawide band monopole disk antennas mounted in a cross-polarized ...

Description: This example is a more complete device for 28 GHz beamforming for 5G networks and includes an 8x8 patch antenna array, 1 to 8 power dividers and a Rotman lens initial stage. The design of the Rotman ...

Description: The future of engineering innovation, like invention, is born out of necessity. A primary necessity today is to achieve technology breakthroughs faster than those accomplished in previous generations. ...

Description: A proposed smartphone design that includes a 4G antenna operating at 860 MHz and a 5G array at 28 GHz is analyzed in XFdtd to determine operating characteristics and any mutual coupling. A brief study ...

Description: An 8x8 planar antenna array creates narrow beams capable of scanning large sectors in front of the antenna. This example focuses on displaying typical simulation results for beams and possible plots ...

Description: Series-fed patch elements forming an array are simulated to demonstrate antenna performance and beamforming including S-parameters, gain, and effective isotropic radiated power (EIRP) at 28 GHz. Beam ...

Description: Performance of a 12-port handset antenna array operating in LTE bands 42/43 (3400-3800 MHz) and band 46 (5150-5925 MHz) is analyzed in XFdtd for varying hand hold positions on the device. The results ...

Description: Virtual commissioning sounds great in theory. Take a virtual prototype of your machine and hook it up to a virtual PLC, and test your product virtually before you test it physically. Early testing ...

Description: In the early days mechatronic systems were developed according to the slogan "BUILD IT, PAINT IT, ADD CONTROLS!" I.e. the development process was governed by the mechanical design and controls were ...

Description: In the manufacturing and automation industry, adopting new development techniques has become a key requirement for success in a highly-evolving, competitive market. As demands on product requirements ...

Description: Established in 1998, the Institute of High Performance Computing (IHPC) is a Research Institute under the Agency for Science, Technology and Research (A*STAR). IHPC seeks to power discoveries through ...

Description: This presentation demonstrates a new multiphysics-based ESD analysis capability which allows the ESD testing process to be analyzed via computer simulation. This will save companies time and money by ...

Description: This presentation demonstrates a new predictive tool for simulating Full Dimension Multiple Input, Multiple Output (FD-MIMO) in urban environments. We evaluate a hypothetical small cell base station ...

Description: Manual equation manipulation is labor intensive, time consuming, and notoriously prone to error. Simply put, doing algebra by hand is expensive. When faced with expensive processes, engineers find ...

Description: In the marketplace of technical products, growing competition has required faster design cycles and iterations in almost every sector. Companies take great steps to invest in their most important ...

Description: After long iterations and expensive prototypes, it seems you've got all the kinks out of your design. Weeks later, your system fails in the field for some unknown reason, despite your existing design ...

Description: The millimeter wave frequencies being planned for 5G systems pose challenges for channel modeling. At these frequencies, surface roughness impacts wave propagation, causing scatter in non-specular ...

Description: Learn how Maple can be applied to thermal engineering analysis, assisting in applications such as: - Modeling the heat flows across a vapor-compression refrigeration cycle - Simulating a lumped ...

Description: The world of industrial automation is undergoing a major transformation to the Next Industrial Revolution, or Industry 4.0. Manufacturers can no longer afford the "build it and tweak it" approach ...

Description: This paper presents a new predictive capability for simulating massive MIMO antennas and beamforming in dense urban environments. In anticipation of rapid growth in wireless devices and mobile data ...

Description: Data is playing a bigger and bigger role in our everyday lives. New data is being collected and analyzed at an ever increasing rate and is being used more and more to make informed decisions. With ...

Description: The notion of being able to develop a virtual prototype of the whole system is playing an increasing role in engineering system design and development. Consequently, there has been an increase in the ...

Description: Computational fluid dynamics (CFD) is the analysis of systems involving fluid flow, heat transfer and associated phenomena through the use of computer-based simulation. These solutions enable ...

Description: A leading provider of consumer and professional digital imaging solutions required an accurate, fast-performing model of an ultrasonic motor (USM) for use in its line of cameras. Widely used in the ...

Description: Many engineering organizations today are facing major challenges when designing and delivering new products. Time to market and cost control are critical in an increasingly competitive and global ...

Description: The Model-Driven Innovation approach, and its emphasis on employing virtual prototyping at the system-level, is an invaluable technique when designing complex, dynamic machines. By employing this ...

Description: Full wave matching circuit optimization (FW-MCO) is a new technology that combines full wave, 3D EM simulation with circuit optimization into a novel approach for solving an age-old RF problem: ...

Description: There is an emerging need for highly flexible and adaptable 'smart' devices in control system architectures-devices that can execute simple control functions by making decisions independent of a ...

Description: A simple antenna for LTE band operation is added to the PC board of a smartphone in XFdtd and the matching circuit is tuned for operation in multiple frequency bands. The component values in the ...

Description: New models for determining the pore volume and pore size distribution of porous solids may be easily added to MicroActive. These kernels developed using NLDFT, GCMC and other variants have been ...

Description: XFdtd's Circuit Element Optimizer is used to determine optimal matching component values for a dual purpose antenna. ...

Description: XF's Circuit Element Optimizer utilizes full wave analysis to select the component values for a given printed circuit board (PCB) layout. The tool allows design engineers to optimize matching circuit ...

Description: This whitepaper demonstrates how XFdtd's time-domain EM simulation enables rapid development by allowing engineers to determine the performance of a fully detailed sensor model installed behind a ...

Description: An antenna design for hepatic microwave ablation is simulated in a dielectric emulating liver tissue to determine antenna performance, SAR distribution, and thermal response. ...

Description: Product data management software easily lets you identify your parts and the documents that define them. As designs evolve, the original documents get revised, and new parts are created from these ...

Description: 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 ...

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 ...

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 ...

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). ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...