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Anisotropic material in Umat code for Abaqus

In reality, all the materials are anisotropic and to simplify them we consider them as isotropic material. However, some of their properties are different in every direction. Consequently, using isotropic material leads to inaccurate results. The best example of this material is wood and composite materials. Thus, to have an accurate result it is necessary to define different properties in

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a simulate part by umat

A simple example for Umat subroutine in Abaqus

Umat subroutine is a powerful tool to define complex material properties. Before starting to learn more about it we need to have some background information about Abaqus and what subroutine means. What is Abaqus? The Abaqus is an FEA software that offers powerful and complete solutions for both simple and complex engineering problems covering a large number of industrial applications.

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An example for high velocity impact

In this model, we have simulated a high-velocity impact between a projectile and a circular disk. We defined shear failure and element deletion for the disk so that after the impact, elements which have been affected by the projectile will be deleted. This simulation can be very helpful in industries and companies in the aerospace area and it could also

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Educational Content

Educational Contents Which one is better? Abaqus or ANSYS? In this section we explain the details about weakness and strangeness  of Abaqus and ANSYS so base on your project you can choose which one is better. Umat for absolute beginners Here a brief description of Umat subroutine code in Abaqus is provided. If you are beginner and you like to

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Reza Tangestani

Reza Tangestani

Reza Tangestani Senior FEA Engineer ​ Expereienced in various industires and universities as a part-time and full-time engineer. Facebook-f Instagram Google Linkedin Education University of Waterloo (2019-2022) Sharif university of technology (2015-2018) JSU (2011-2015) Skills Abaqus 100% ANSYS 70% MATLAB 100% Python 90% Fortran 70% Solid mechanic courses 80% Fluid mechanic courses 60% Languages Persian 100% English 90% Contact Book

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