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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>Bead Optimization</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">Bead optimization is a way to enhance shell structures without adding more mass to the structure. 
   The beads can easily be added in the stamping process which makes beads a low weight and cost neutral alternative to enhance a sheet-metal structure.</span>
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</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 explains the general terms of bead optimization." href = "tso-c-usr-beadOpt-general.htm">General Information</a></li><li><a title = "Tosca Structure.bead is a module that automatically determines the optimum bead location and orientation for arbitrary shell structures. For this task, Tosca Structure provides two algorithms: The controller-based bead optimization (BEAD_CONTROLLER) and the sensitivity-based bead optimization (BEAD_SENSITIVITY)." href = "tso-m-usr-beadOpt-beadOptTask-sb.htm">The Optimization Task</a></li><li><a title = "During an optimization, only part of the model might be changed. This part is defined as the design area and all nodes in that area act as design variables on which certain restrictions might be applied." href = "tso-m-usr-beadOpt-designArea-sb.htm">Design Area</a></li><li><a title = "The objective function describes the optimization target. In general, one scalar value (sometimes combined from other scalars) is to be maximized or minimized." href = "tso-c-usr-beadOpt-beadObjectiveFunction.htm">Objective Function</a></li><li><a title = "This section shows you usable constraints for bead optimizations." href = "tso-c-usr-beadOpt-beadConstraints.htm">Constraints</a></li><li><a title = "This section deals with the typical optimization tasks for linear static analysis types. Only some very common tasks are described here." href = "tso-m-usr-beadOpt-beadOptTasksLS-sb.htm">Typical Optimization Tasks for Linear Static Analysis</a></li><li><a title = "This section deals with the typical optimization tasks for modal analysis types. Some very common tasks are described here." href = "tso-m-usr-beadOpt-beadOptTasksModal-sb.htm">Typical Optimization Tasks for Modal Analysis</a></li><li><a title = "This chapter is about settings and tweaks usable in a bead optimization setup." href = "tso-m-usr-beadOpt-beadSettings-sb.htm">Settings</a></li><li><a title = "Testing the optimization setup without using simulation results is described." href = "tso-c-usr-beadOpt-beadTestBead.htm">Testing the Optimization Setup (TEST_BEAD)</a></li><li><a title = "Stop conditions are necessary to ensure that the optimization terminates. These stop criteria can either be a certain number of optimization cycles or be dependent on the convergence behavior of the optimization." href = "tso-m-usr-beadOpt-StopCond-sb.htm">Stop Condition</a></li><li><a title = "Special pitfalls and hints for sensitivity-based bead optimization are shown." href = "tso-c-usr-beadOpt-beadSensRemarks.htm">Special Remarks Using Sensitivity-Based Algorithm</a></li><li><a title = "Optimization-related references used in this chapter are listed." href = "tso-c-usr-beadOpt-beadRemarks.htm">References</a></li></ul></td></tr></table></td></tr></table>



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