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CAE analysis software Product List

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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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[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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[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] 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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[Example] Rockfall and rock mass collapse simulation

[Example] Rockfall and rock mass collapse simulation

The analysis results of the rockfall simulation using the 3D discrete element method were processed with GLview Inova.

【Case Overview】 ■Product Name: GLview Inova ■Analysis: Other ■Industry: Other Using the three-dimensional finite element method, we conducted a rockfall simulation. To clearly display the analysis results of rock masses collapsing while colliding with slopes, it is necessary to smoothly animate many analysis steps. GLview Inova enables smooth animation display, and by installing the free plugin (GLview 3D Plugin), it can be displayed as a three-dimensional model on a web page. Users can view the analysis results from any direction while running the animation. □For other features and details, please refer to the catalog.

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[Example] Vibration of liquid tanks and sloshing of liquid surfaces during an earthquake.

[Example] Vibration of liquid tanks and sloshing of liquid surfaces during an earthquake.

Case study using seismic waves from the Great East Japan Earthquake!!

**Case Summary** ■Product Name: NX Nastran ■Industry: Construction There are many structural forms for containers that store liquids and their supports. During an earthquake, the dynamic liquid pressure caused by sloshing of the liquid surface in the tank acts on the container's side walls and bottom plate, resulting in damage to the tank and rocking vibrations that can cause parts of the bottom plate to lift, leading to tank damage. This case study utilized the virtual fluid boundary and phantom elements of NX Nastran to perform transient response analysis on three types of tanks, as shown in the figure on the right, using the seismic waves from the 2011 Great East Japan Earthquake (M9). Below, we present the sloshing behavior during the earthquake and the distribution of dynamic liquid pressure. * Downloaded from K-NET For more detailed information, please refer to the catalog or contact us directly.

  • Scientific Calculation and Simulation Software

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Introduction to a general-purpose CAE pre/post-processor for finite element method analysis!

Introduction to a general-purpose CAE pre/post-processor for finite element method analysis!

A comprehensive analysis solution with a main CAD and solver interface. Model creation and evaluation can be achieved with this single tool, and customization via API is also possible!

Femap is software that provides 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, offering 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 component of analysis solutions. The features available in Femap include: - Comprehensive CAD/analysis program interfaces - Fast generation of high-quality meshes - Efficient creation of finite element models - User interface focused on ease of use - Diverse and effective result display functions - Advanced customization capabilities

  • Scientific Calculation and Simulation Software

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[Case Study] Nonlinear Transient Response Analysis: Simulation of Collision between Space Debris and Satellites

[Case Study] Nonlinear Transient Response Analysis: Simulation of Collision between Space Debris and Satellites

Simulation of collisions between space debris and satellites!!!

◆◆Publication Content◆◆ ○Simulation of collision between space debris and satellites using nonlinear transient response analysis (NX Nastran SOL701) ○Keywords: nonlinear transient response analysis, explicit method, space development, debris collision, contact, large deformation and strain, plastic failure ○Case Overview ●For other features and details, please download the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Buckling Analysis of Shell Structures

[Example] Buckling Analysis of Shell Structures

We performed advanced nonlinear analysis using NX Nastran for the nonlinear buckling problem of shell structures.

【Case Overview】 ■Product Name: NX Nastran ■Analysis: Nonlinear Static Analysis ■Industry: Other Buckling is a deformation that exhibits very strong nonlinear characteristics. When buckling occurs, the strength and stiffness of the structure decrease sharply, leading to instability. Shell structures, like the one shown in the right diagram, are thin-walled and therefore have many local failure modes in addition to overall compressive buckling. During the buckling process, there is also contact within the shell itself. This analysis example presents the advanced nonlinear analysis results of NX Nastran for the nonlinear buckling problem of shell structures. □For other features and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Calculation of cantilever characteristics

[Example] Calculation of cantilever characteristics

Using the virtual fluid capabilities of NX Nastran, we investigated the changes in the natural frequency of a cantilever in a vacuum, in the atmosphere, and in water.

【Case Overview】 ■Product Name: NX Nastran ■Analysis: Linear Static Analysis, Modal Analysis, Frequency Response Analysis ■Industry: Other A cantilever is a sensor that detects the interaction force between the probe and the sample in atomic force microscopy by measuring changes in displacement or resonance frequency. It is applied in fields such as precision machining and measurement of nanostructures. Since the detection sensitivity is determined by the mechanical properties of the cantilever, it is very important to determine those properties; however, the spring constant and resonance frequency of the cantilever can vary significantly depending on the vibrating environment. In this analysis example, we used the virtual fluid function of NX Nastran to investigate the changes in the natural frequency of the cantilever in a vacuum, in the atmosphere, and in water. □ For other functions and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Optimization Analysis of Connecting Rod Shape

[Example] Optimization Analysis of Connecting Rod Shape

In the case where compressive or tensile loads act on the connecting rod, we determined the shape that minimizes the equivalent stress while maintaining the volume (mass).

【Case Summary】 ■Product Name: OPTISHAPE-TS ■Analysis: Optimization Analysis ■Industry: Automotive In the case where compressive and tensile loads act on the connecting rod, we sought the shape that minimizes the equivalent stress while maintaining volume (mass). Additionally, we performed optimization with the condition that the elliptical deformation of the large end hole under tensile load is minimized, as well as optimization that maintains stress and displacement while minimizing volume. The analysis was conducted using a 1/2 model. □For other features and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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[Example] Control system analysis using nonlinear transient analysis

[Example] Control system analysis using nonlinear transient analysis

We analyzed the motion of a 1-meter aluminum rod used as an inverted pendulum after applying an impact to its tip.

We will introduce a case study of control system analysis using nonlinear transient analysis with NX Nastran.

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[Example] Rotating Dynamics Transient Response Analysis

[Example] Rotating Dynamics Transient Response Analysis

In transient response analysis, in addition to synchronous and asynchronous analyses like frequency analysis, it is also possible to perform analyses where the rotation speed is constant or the excitation frequency is constant while increasing the rotation speed.

【Case Overview】 ■Product Name: NX Nastran ■Analysis: Linear Transient Analysis ■Industry: Other Transient response analysis that calculates the vibration characteristics of the rotor when increasing the rotational speed and the behavior during passing through the critical speed can be performed in addition to synchronous and asynchronous analyses like frequency analysis. It is also possible to conduct analyses where the rotational speed is increased while keeping the rotational speed constant or the excitation frequency constant. This is an analysis along a point or a horizontal line in the Campbell diagram. □For other functions and details, please refer to the catalog.

  • Scientific Calculation and Simulation Software

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