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Analytical benchmark example for risk allocation in structural optimization
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DOI：10.1007/s00158-014-1051-9.png)
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摘要
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Recently, Rozvany and Maute presented a simple problem of topology optimization under uncertainty with a single load condition that can be solved without Monte Carlo simulation. This note extends this idea to a two-bar truss under two load conditions for the purpose of illustrating differences between deterministic designs and reliability-based ones in terms of risk allocation. For this example, for the same probability of failure, a deterministic design based on the same safety factor for both loads can be substantially heavier than the reliability-based design. The difference in weight is due to very different risk allocation between the two failure modes.
Keyword:
Topology optimization
Deterministic design
Reliability-based design
Risk allocation
Compliance constraint
期刊
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4
论文数:
4.9K
被引数:
1.7W
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