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Ductile Damage Modeling In FEA – What Is It And How Does It Work?

The ability of any material to carry mechanical, thermal, or electrical loads is limited. Permanent damage occurs to the material when it is loaded beyond its capacity to recover. When the material is subjected to external loading, the atoms and/or molecules move and rearrange causing strain. If the strain is within elastic limit, the material

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Contact In FEA – What Is It And How Should It Be Implemented?

Contacts are an essential part of model definitions in a multibody analysis. These problems are commonly encountered in engineering scenarios such as assemblies with moving parts like seals, gears, pins, punches, rollers, bearings etc. Once contact occurs between two bodies, they can interact in different ways. Bonded, friction, frictionless, no separation, rough contact are a

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Tips and Tricks

3D Meshing in Abaqus CAE

Meshing is a fundamental aspect of Finite Element Analysis (FEA) in which large, complex geometries are discretized into a set of simple, interconnected elements. Put plainly, complex shapes are divided into smaller, simpler shapes using finite elements. Because mesh size, element type, and element quality all directly affect the accuracy and reliability of an FEA

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Stress And Strain – What Are They And What Is Their Relationship

Stress and strain are fundamental concepts in engineering used to describe the mechanical behavior of materials under various loading conditions. Understanding stress and strain is crucial in designing and analyzing structures, as it allows engineers to predict how materials will behave and it ensures that these materials can withstand their real-world applications. Strain, the underlying

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What Is Quenching And Tempering In Metals – And How Does It Work

Quenching and tempering is a heat treatment process used to improve the mechanical properties of metals and alloys. The process involves heating the material to a high temperature, then cooling it rapidly (quenching), followed by reheating it to a lower temperature (tempering). This combination of heating, cooling, and reheating produces significant changes in the microstructure

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Software

What Does ChatGPT Think About Abaqus???

Given the hubbub around ChatGPT, we thought we’d ask it what its thoughts were on Abaqus as it compares to other FEA solvers. We asked it “How does Abaqus compare with other FEA solvers?” We pretty much agree with everything the little chatbot had to say! What about you? Did it miss anything? “Abaqus is

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Types Of Nonlinearity In Finite Element Analysis – And Why You Might Want To Consider Them

Finite element analysis (FEA) solvers such as Abaqus are powerful tools for predicting the behavior of structures under load, but it’s important to remember that the assumptions of linearity underlying FEA can break down under certain conditions. When that happens, the results of the analysis may not accurately represent the real-world behavior of the structure.

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