TRUSS GEOMETRY OPTIMIZATION BASED ON TWO STEP METHOD LINKED WITH SENSITIVITY OF OPTIMAL OBJECTIVE

doi:10.6052/0459-1879-1997-4-1995-253

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Chinese Journal of Theoretical and Applied Mechanics > 1997 > 29(4): 470-475. > DOI: 10.6052/0459-1879-1997-4-1995-253 CSTR: 32045.14.0459-1879-1997-4-1995-253

TRUSS GEOMETRY OPTIMIZATION BASED ON TWO STEP METHOD LINKED WITH SENSITIVITY OF OPTIMAL OBJECTIVE[J]. Chinese Journal of Theoretical and Applied Mechanics, 1997, 29(4): 470-475. DOI: 10.6052/0459-1879-1997-4-1995-253

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TRUSS GEOMETRY OPTIMIZATION BASED ON TWO STEP METHOD LINKED WITH SENSITIVITY OF OPTIMAL OBJECTIVE

北京工业大学工程数值模拟中心,100022

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The problem of the truss geometry optimization is solved by a sequential two step method. After finishing cross section optimization the first and second order derivatives of optimum objective with respect to nodal coordinate variables are calculated to construct a model of the shape optimization. Therefore, an approximate explicit formulation is established to overcome the difficulty of forming the optimization model of the second subproblem. It is easily solved by the sequential quadratic program algori...
- sensitivity analysis,
- the optimal objective,
- two step optimization strategy,
- geometry optimization of truss structure,
- modelling

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TRUSS GEOMETRY OPTIMIZATION BASED ON TWO STEP METHOD LINKED WITH SENSITIVITY OF OPTIMAL OBJECTIVE

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