Finite element design sensitivity analysis and its integration with numerical optimization techniques for structural design

1989 ◽  
Vol 32 (3-4) ◽  
pp. 883-897 ◽  
Author(s):  
V. Kumar ◽  
S.-J. Lee ◽  
M.D. German
Keyword(s):  
Sensitivity Analysis ◽  
Finite Element ◽  
Structural Design ◽  
Numerical Optimization ◽  
Design Sensitivity ◽  
Optimization Techniques ◽  
Design Sensitivity Analysis

scholarly journals The sensitivity problem of the structure with response functional is the reliability

1994 ◽  
Vol 16 (4) ◽  
pp. 28-32
Author(s):  
Nguyen Van Pho
Keyword(s):  
Sensitivity Analysis ◽  
Structural Design ◽  
Design Sensitivity ◽  
Design Sensitivity Analysis ◽  
Sensitivity Problem

In this paper, the structural design sensitivity analysis is considered, in which the reliability is response functional. The author sets up the problem, proposes some methods for solving and apply the obtained results to a simple example.

scholarly journals Structural design sensitivity analysis in context of non-linear buckling

PAMM ◽  
2016 ◽  
Vol 16 (1) ◽  
pp. 711-712
Author(s):  
Lukas Radau ◽  
Nikolai Gerzen ◽  
Franz-Joseph Barthold
Keyword(s):  
Sensitivity Analysis ◽  
Structural Design ◽  
Design Sensitivity ◽  
Design Sensitivity Analysis ◽  
Linear Buckling ◽  
Non Linear

Development of a Design Sensitivity Analysis Technique for Explicit Finite Element Software With Applications in Crashworthiness

2000 ◽  
Author(s):  
Douglas W. Stillman
Keyword(s):  
Sensitivity Analysis ◽  
Finite Element ◽  
Time Integration ◽  
Design Sensitivity ◽  
Design Sensitivity Analysis ◽  
Element Analysis ◽  
Automotive Safety ◽  
Explicit Finite Element ◽  
Finite Element Software ◽  
Analysis Technique

Abstract Design Sensitivity Analysis (DSA) is a widely used technique in many areas of finite element analysis, but one that hasn’t yet become available for industrial problems in crashworthiness and automotive safety. In the following effort, an implementation of DSA in the automotive safety simulation program, Radioss, is described. Radioss is a non-linear structures program using an explicit time integration method. A full set of DSA equations are developed and integrated into Radioss so that the design sensitivities can be computed directly and accurately as a result of a single crashworthiness simulation. Some validation results are included. The resulting methodology promises to be an extremely useful tool for engineers involved in the design of safety and crashworthiness of automobiles.

Three-dimensional optimum design of the cooling lines of injection moulds based on boundary element design sensitivity analysis

2002 ◽  
Vol 216 (7) ◽  
pp. 1067-1071 ◽  
Author(s):  
H Zhou ◽  
D Li ◽  
S Cui
Keyword(s):  
Sensitivity Analysis ◽  
Objective Function ◽  
Boundary Element ◽  
Optimum Design ◽  
Three Dimensional ◽  
Design Sensitivity ◽  
Boundary Integral ◽  
Optimization Techniques ◽  
Design Sensitivity Analysis ◽  
Design Variables

A three-dimensional numerical simulation using the boundary element method is proposed, which can predict the cavity temperature distributions in the cooling stage of injection moulding. Then, choosing the radii and positions of cooling lines as design variables, the boundary integral sensitivity formulations are deduced. For the optimum design of cooling lines, the squared difference between the objective temperature and the temperature of the cavity is taken as the objective function. Based on the optimization techniques with design sensitivity analysis, an iterative algorithm to reach the minimum value of the objective function is introduced, which leads to the optimum design of cooling lines at the same time.

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