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<a name = "hj-top"> </a><table class = "table1" id = "table11"><tr><td><table class = "DocHeader"><tr><td class = "DocHeader1" colspan = "2"><h1>Design Response Combination</h1></td></tr><tr><td class = "DocHeader4" colspan = "2"/></tr><tr><td class = "DocHeader3" colspan = "2"><table class = "DocThemeIntro" id = "table12"><tr><td class = "Intro1"><p class = "header"><p class = "abstract"><span class = "shortdesc">Creating response combinations like relative values, differences or mean values
requires operations on a number of previously extracted design
responses. For sensitivity-based topology optimization, only weighted sums
are admitted in objective function and constraint definitions. For controller-based
shape optimization, a large variety of other operators are admissible.
All operators are available to create new responses for monitoring of optimization
results.</span>
</p>

</p><hr class = "header"/></td></tr><tr><td class = "Intro2"><span class = "run-in">In this section:</span><br/><ul class = "ulthemes"><li><a title = "This chapter gives an overview of the combination of design responses." href = "tso-c-usr-terms-combTermDrespGenInfo.htm">General Information</a></li><li><a title = "This chapter lists the allowed combination of DRESP type, GROUP_OPER and VAR_OPER parameter." href = "tso-c-usr-terms-combTermDrespSens.htm">Combined Responses in Sensitivity-Based Optimization</a></li><li><a title = "This section shows how to combine displacements and rotations." href = "tso-t-usr-terms-combTermDrespDisplRotComb.htm">Combining Displacements and Rotations</a></li><li><a title = "This section shows how to combine reaction and internal forces." href = "tso-t-usr-terms-combTermDrespReacIntForcesComb.htm">Combining Reaction Forces and Internal Forces</a></li><li><a title = "This chapter shows how to combine absolute values of responses." href = "tso-c-usr-terms-combTermDrespAbsValueComb.htm">About Combining Absolute Values of Responses</a></li><li><a title = "For the controller-based shape optimization, basically any operator is allowed for the definition of the objective function, but here one must be cautious because the operation is only performed on the scalar nodal values. This is explained in the following two examples:" href = "tso-c-usr-terms-combTermDrespCtrl.htm">Controller-Based Combined Terms</a></li></ul></td></tr></table></td></tr></table>



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