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Analysis solutions with major CAD and solver interfaces.

Analysis solutions with major CAD and solver interfaces.

General-purpose finite element method pre/post processor [Simcenter Femap]. Achieve model creation and evaluation all in one, with customization possible through API!

Femap, provided by the world's number one reseller N.S.T., is software that offers pre- and post-processing capabilities for finite element method (FEM) analysis running on Windows. It integrates a series of tasks from geometry creation/modification to finite element model creation and post-processing, providing an efficient and streamlined working environment. Additionally, it features interfaces compatible with numerous CAD data and solvers, allowing for a high degree of versatility and the ability to encompass CAE from a neutral standpoint, making it possible to serve as a central element in analysis solutions. The features available in Femap include: - Comprehensive CAD/analysis program interfaces - Rapid generation of high-quality meshes - Efficient creation of finite element models - User interface designed for ease of use - Diverse and effective result display functions - Advanced customization capabilities For more detailed information, please refer to the catalog or contact us directly.

  • Architectural CAD

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Fast and easy, thermal analysis!!! 【Thermal Analysis Solver】

Fast and easy, thermal analysis!!! 【Thermal Analysis Solver】

I am good at radiation calculations.

Femap Thermal can perform thermal analysis faster than finite element method solvers by using the finite difference method. Customers currently using Femap who wish to conduct thermal analysis can do so by adding this capability to their existing Femap environment. 【Product Features】 ○ High-speed thermal radiation calculations. In particular, using an OpenGL-compatible GUI to compute with the Hemicube method allows for rapid calculation of shape factors. ○ Consideration of temperature-dependent material properties is possible. ○ Consideration of Joule heating is possible. ○ By adding the Advanced Thermal extension module, more advanced thermal analyses can be performed, including considerations for reflection, refraction, absorption, and transmission of transparent bodies, as well as satellite orbit analysis. 【Possible Analyses】 ○ Steady-state heat conduction analysis, transient heat conduction analysis ○ Flow network: Convection heat transfer analysis without fluid analysis ○ Thermal radiation analysis ○ Ray tracing ○ Joint models ○ Joule heating ○ Orbital thermal analysis/sunlight analysis ○ Model degradation ◎ For more detailed information, please refer to the catalog or contact us directly.

  • Scientific Calculation and Simulation Software

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Introduction to Desktop Structural Analysis Program

Introduction to Desktop Structural Analysis Program

Creating geometry and analysis models, executing analysis, and post-processing, all realized in one software on one PC!!

【Features】 ○ A structural analysis solution that combines the pre- and post-processor "Femap" with the analysis solver "NX Nastran" ○ A series of tasks for finite element analysis, including the creation of analysis models from 3D-CAD generated shape data, analysis, and result display, can be accomplished with a single software on one PC ○ Operates on PCs equipped with Windows, allowing work in a familiar environment ○ High operability ○ Easy-to-implement pricing ○ Supports 64-bit environments ○ Capable of handling large-scale analyses ◎ For more detailed information, please refer to the catalog or contact us directly.

  • Scientific Calculation and Simulation Software

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Structural Optimization Design Software 'OPTISHAPE-TS'

Structural Optimization Design Software 'OPTISHAPE-TS'

Propose a structure that meets various requirements, has a lightweight design, a strong structure, and excellent vibration characteristics!!!

OPTISHAPE-TS is a Japanese software that was born as the world's first commercial phase optimization software and has continued to evolve by incorporating the latest optimization technologies for over 25 years. It enables lightweight design, strength improvement, and control of vibration characteristics while meeting various constraints such as design and manufacturing requirements. 【Features】 ○ Built-in various finite element solvers necessary for structural optimization ○ Equipped with various optimization functions tailored to applications ○ Unique non-parametric shape optimization using a force method allows for drastic shapes ○ Optimization calculations accelerated through parallel processing 【Functions】 ○ Optimization functions ○ Phase optimization (punching phase optimization, sequential outer surface phase optimization) ○ Non-parametric shape optimization ○ Level set method shape optimization ○ Finite element analysis functions ○ Static elasticity analysis ○ Eigenvalue vibration analysis ○ Steady-state heat conduction - static elasticity coupled analysis ○ Frequency response analysis ○ Eigenvalue buckling analysis ○ Structural-acoustic coupled analysis ◎ For more detailed information, please refer to the catalog or contact us directly.

  • Scientific Calculation and Simulation Software

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[Case Study] Heat Transfer and Thermal Stress Analysis - Casting Cooling Simulation

[Case Study] Heat Transfer and Thermal Stress Analysis - Casting Cooling Simulation

Efficiently perform analysis by conducting thermal stress analysis with Nastran!!!

◆◆Publication Content◆◆ ○Casting cooling simulation using heat transfer and thermal stress analysis (NX Nastran SOL 159/SOL 601) ○Keywords: Nonlinear thermal stress analysis, casting heat transfer, cooling rate, residual stress, shrinkage cavity, solidification shrinkage cavity ○Case Overview ●For other features and details, please download the catalog.

  • Scientific Calculation and Simulation Software

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[Case Study] Rotor Dynamics Stability Analysis <Behavior of the Dewatering Tank>

[Case Study] Rotor Dynamics Stability Analysis <Behavior of the Dewatering Tank>

Rotor dynamics using NX Nastran!!!

◆◆Publication Content◆◆ ○ Stability Analysis of the Spin Basket using Rotor Dynamics (NX Nastran) ○ Keywords: Rotor Dynamics, Spin Basket, Washing Machine, Vibration, Dangerous Speed ○ Case Summary When spinning in a washing machine, the spin basket experiences intense vibration before achieving stable rotation. This occurs as it passes through a dangerous speed, which is an essential factor for considerations such as noise reduction. In this analysis example, the spin basket was modeled, and the motion from a stationary state to a steady rotational state (5 revolutions per second) was calculated over time. ● For other features and details, please download the catalog.

  • Scientific Calculation and Simulation Software

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Introducing Mid-Range 3D CAD for Ultra-Fast Modeling!

Introducing Mid-Range 3D CAD for Ultra-Fast Modeling!

Equipped with powerful features that are expected to become the industry standard for 3D CAD in the future, known as Synchronous Technology.

Solid Edge ST is a completely new concept in CAD that merges the speed and flexibility of a non-history-based approach with the management capabilities of feature parametric design, achieving a high level of integration between parametric design and other functionalities.

  • Earthworks

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[Example] Acoustic analysis of an audio room

[Example] Acoustic analysis of an audio room

I calculated the standing waves in a rectangular room and determined the frequency characteristics of the sound driven by a point source.

【Case Overview】 ■Product Name: NX Nastran ■Analysis: Modal Analysis and Frequency Response Analysis ■Industry: Architecture Indoor acoustic characteristics are very complex, and the influence of standing waves on acoustic properties is significant. The acoustic analysis in NX Nastran is a fluid-structure interaction analysis that examines the vibrations within a container filled with fluid. In this analysis, the standing waves in a rectangular room were calculated, and the frequency characteristics of the acoustics driven by a point sound source were determined. *Note 1: Nastran includes elements for sound absorption and damping (acoustic absorbers/acoustic barriers), but this analysis does not take them into account. The walls of the room are considered to be perfect reflectors. □For other functions and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Hull strength analysis using the finite element method

[Example] Hull strength analysis using the finite element method

A full hull model close to the actual structure was created, and strength analysis of the model was conducted.

**Case Overview** ■Product Name: NX Nastran ■Analysis: Linear Static Analysis ■Industry: Railways and Shipping Finite element method strength calculations are widely used in hull design. The hull structure, composed of many components such as decks, side plates, double bottoms, bulkheads, and longitudinal and transverse strength frames, is complex, making it difficult to analyze just a part of it. This example created a full model that closely resembles the actual structure and conducted a strength analysis of the entire hull model. - Creation of complex hull FEM models using Femap's mesh generation capabilities - Creation and management of loads such as static/dynamic water pressure and cargo conditions - Improved computational efficiency through continuous analysis of multiple load cases - Analysis of large-scale models made possible by NX Nastran's parallel processing capabilities □ For other features and details, please refer to the catalog.

  • others

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[Example] Rotor Dynamics

[Example] Rotor Dynamics

Introducing the rotational system analysis capabilities of NX Nastran!!!

【Case Summary】 ■Product Name: NX Nastran ■Analysis: Modal Analysis, Linear Transient Analysis, Frequency Response Analysis ■Industry: Mechanical Components Stable operation is extremely important for various rotating machinery such as turbines, jet engines, generators, fluid equipment, and electrical products, and vibration prevention is an essential challenge. This example introduces the rotating system analysis capabilities of NX Nastran using a representative model of rotor dynamics. □For other features and details, please refer to the catalog.

  • Prime movers, torque converters, hydraulic equipment, generators

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[Example] Rotating Dynamics Eigenvalue Analysis

[Example] Rotating Dynamics Eigenvalue Analysis

We conducted a modal complex eigenvalue analysis at the specified rotational speeds to investigate the whirling modes caused by rotation, changes in damping, and critical speeds.

**Case Summary** ■Product Name: NX Nastran ■Analysis: Eigenvalue Analysis ■Industry: Other The vibration characteristics of rotating bodies exhibit whirl motion due to centrifugal force, tilt vibrations, and gyroscopic effects as the axis rotates, causing changes in eigenvalues. When the direction of rotation and whirl coincide, it is referred to as forward whirl, and when they are opposite, it is called backward whirl. When the rotational speed matches the eigenvalue of the axis, the amplitude of the whirl increases, leading to instability in the rotating system and potential damage to components. The speed at this point is referred to as the critical speed. In this analysis, modal complex eigenvalue analysis was conducted for specified rotational speeds to investigate the whirl modes induced by rotation, changes in damping, and critical speeds. □ For other features and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Rotor Dynamics Frequency Analysis

[Example] Rotor Dynamics Frequency Analysis

We conducted synchronous and asynchronous frequency analysis of rotating bodies in a fixed coordinate system.

**Case Overview** ■Product Name: NX Nastran ■Analysis: Frequency Response Analysis ■Industry: Other In this analysis example, synchronous and asynchronous frequency analyses of a rotating body in a fixed coordinate system were conducted. The former is an analysis where the rotation speed and the excitation load frequency match, resulting in a response peak at the dangerous speed point on the 1P line in the Campbell diagram. The latter involves a rotor rotating at a constant speed with varying excitation load frequencies, leading to rotor resonance at the intersection points of each mode with the vertical line in the Campbell diagram. □ For other functions and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Large-scale finite element analysis of train vehicle dynamics

[Example] Large-scale finite element analysis of train vehicle dynamics

An eigenvalue analysis of a 10-car train model was conducted using NX Nastran, and the natural frequencies up to 20 Hz were obtained.

**Case Overview** ■Product Name: NX Nastran ■Analysis: Modal Analysis ■Industry: Railways and Shipping Since railway vehicles operate in a coupled manner, it is necessary to analyze the motion characteristics of the entire train when considering vehicle dynamics. To accurately predict the vibrations generated in various parts of the moving vehicle, a vehicle simulation using a finite element model (FEM) that closely resembles the actual structure, rather than a uniform beam or equivalent plate structure, is required. On the other hand, such analyses heavily depend on the computational environment, model creation, and result visualization capabilities, necessitating parallel computing solutions and efficient pre/post-processing software. This example involves creating the vehicle body using Femap and conducting a modal analysis of a 10-car train model with NX Nastran to determine the natural frequencies up to 20 Hz. Additionally, the application of FEMAP and GLView for post-processing large-scale finite element analyses will be introduced.

  • others

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Case Study: Thermal Fluid Analysis of a Muffler

Case Study: Thermal Fluid Analysis of a Muffler

This is an introduction to the recommended software Femap Thermal/Flow for customers who are starting thermal fluid analysis with Femap.

**Case Overview** ■Product Name: Femap Thermal, Femap Flow ■Analysis: Thermal Fluid Analysis ■Industry: Automotive Femap Thermal/Flow is software for thermal fluid analysis that operates as a Femap application. It can be used with the same operational feel as Femap. Through the combination of Femap Thermal and Femap Flow for thermal fluid analysis, we calculated the flow of exhaust gases within the muffler and the temperature distribution of the muffler due to high-temperature exhaust. By using Femap Thermal and Femap Flow simultaneously, thermal fluid analysis can be conducted. It can solve complex problems such as heat transfer at the fluid-structure interface, fluid flow, thermal conduction in structures, and consideration of radiation at the surface of structures. In this case, we conducted thermal fluid analysis focused on the muffler. We confirmed that we could obtain necessary parameters for design by determining the temperature difference of exhaust gases at the inlet and outlet, the flow of exhaust gases within the muffler, and the temperature of the surface of the muffler structure. □ For other functions and details, please refer to the catalog.

  • others

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[Example] Analysis of radiant heat transfer within a container

[Example] Analysis of radiant heat transfer within a container

We conducted a heat transfer analysis of an internal radiation container composed of multiple radiation zones.

**Case Overview** ■Product Name: Femap Thermal ■Analysis: Thermal Analysis ■Industry: Other In this analysis example, a thermal radiation transfer analysis within a container composed of multiple radiation zones was conducted. In this case, the radiation zones consist of three areas: the interior of the container, which includes the heat source, heat receiving surface, and inner wall; the space between the inner and outer walls; and the area from the outer wall to the environment. The calculation of the form factor is known to take time due to the exhaustive pairwise calculations between element surfaces, resulting in a large matrix size. Femap Thermal utilizes the Hemicube method with OpenGL to process the time-consuming form factor calculations quickly. Additionally, with a dedicated interface for thermal analysis, it is easy to set up radiation settings even for models with multiple enclosures. □ For other functions and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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