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DENSITY.html
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DENSITY.html
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<html><head><link rel="stylesheet" type="text/css" href="style.css"/></head><body> <H2> <BR> *DENSITY </H2> <P> Keyword type: model definition, material <P> With this option the mass density of a material can be defined. The mass density is required for a frequency analysis (*FREQUENCY), for a dynamic analysis (*DYNAMIC or *HEAT TRANSFER) and for a static analysis with gravity loads (GRAV) or centrifugal loads (CENTRIF). The density can be temperature dependent. <P><P> <BR> <P> First line: <UL> <LI>*DENSITY </LI> </UL> <P> Following line: <UL> <LI>Mass density. </LI> <LI>Temperature. </LI> </UL> Repeat this line if needed to define complete temperature dependence. <P> <PRE>
Example:
*DENSITY
7.8E-9
</PRE> <P> defines a density with value <!-- MATH $7.8 \times 10^{-9}$ --> <SPAN CLASS="MATH"><B><IMG WIDTH="76" HEIGHT="33" ALIGN="MIDDLE" BORDER="0" SRC="img18.png" ALT="$ 7.8 \times 10^{-9}$"></B></SPAN> for all temperatures. <P> <P><P> <BR> Example files: achtelc, segment1, segment2, beamf. <P> </body></html>