Finite Element Analysis (FEA) in UG NX

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Finite Element Analysis (FEA) in UG NX
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What is UG NX?

• NX, formerly known as Unigraphics NX or usually
  just UG,
• is an advanced high-end CAD/CAM/CAE software
  package,
• developed by Unigraphics

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Uses for UG NX

• Design (parametric and direct solid/surface
  modelling)
• Engineering analysis (static, dynamic,
  electro-magnetic, thermal)
• Manufacturing finished design by using included
  machining modules

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Overview

• FEA, or Finite Element Analysis, is a technique
  for predicting the response of structures and
  materials to environmental factors such as
  forces, heat and vibration.
• Software such as NX9.0 computerizes the process
  and solves complex calculations in less time.
• It can provide the engineer with deep insights
  regarding the behavior of objects.

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FEA Applications

• Structural Analysis
• Thermal Analysis
• Fluid Flow
• Dynamics
• Electromagnetic Compatibility

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Element Shapes

• The elements can be classified into different
  types based on the number of dimensions.
• Element shapes are categorized as follows
• One-dimensional
• Two-dimensional
• Three-dimensional

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Types of Nodes
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Solution Creation

• NX9.0 creates a folder of the same name as that
  of the file and at the same location where the
  file is located.
• For every scenario or Soultion, it creates five
  different files with the name of the scenario.
  They are xxx.SIM, xxx.DAT, xxx.txt, xxx.out and
  xxx.VDM. All the results generated for the
  scenarios are saved as .vdm files.
• A scenario model can be think of as a variation
  of a master design model.
• Scenarios contain all the geometric features of
  the master model. They also support body
  promotions and interpret expressions.
• Body promotions are used to provide an
  independently modifiable copy of the master model
  geometry and serve as a place to hold
  scenario-specific features such as mid-surfaces.

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