Material Parameters: default - Mechanics
Materials New/EditNew MaterialMechanics
Edit Object Properties (:
Materials:material1PropertiesMechanics)
This is a dialog page of the
Material
Parameters dialog box.
This dialog offers the possibility to define mechanical
properties of a material.
Mechanical properties are independent of the
chosen problem type. Their values will be the same for all defined material
sets.
Type
This list allows to select if the material should
be used with isotropic properties for the simulation. The following properties
are available:
Unused:
the material is ignored during the simulation Normal:
if a positive Young's modulus is assigned, the material is considered
for simulation. Temp.
dependent: the dependency of Young's modulus on temperature can
be defined in the Temperature
Dependent Young's Modulus dialog, which can be shown by clicking the
[Properties...] button. Please
previously define a positive default value for the Young's modulus in
the corresponding edit field.
Young's modulus
This parameter defines the stiffness of an isotropic
elastic material. It is normally measured in GPa, or kN/mm2. The typical
values vary between 0.01 GPa (rubber) and over 1000 GPa (diamond). It
is important to know the value of this material parameter very well, since
it has a large influence on the accuracy of the solution.
Poisson's ratio
This parameter defines the scale of the transverse
contraction of a longitudinally stretched body. This parameter can vary
between -1 and 0.5, whereas most of the materials are characterized by
a positive Poisson's ratio.
Thermal expansion coefficient
The expansion coefficient is the strain of a
body, if its temperature changes by 1 K. This value is utilized to compute
strain induced by an external temperature field.
Material density info
This field is for information purpose only.
See also
Material Parameters, Change Material,
Modeler View,
Add
to Material Library, Temperature
Dependent Young's Modulus
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