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ＩＮＴＲＯＤＵＣＴＩＯＮＢｅｎｄｓｏｅａｎｄＫｉｋｕｃｈｉｉｎｉｔｉａｔｅｄｔｈｅｈｏｍｏｇｅｎｉ ｚａｔｉｏｎｍｅｔｈｏｄ (Ｂｅｎｄｓｏｅｅｔａｌ.,1 988)ｆｏｒｃｏｎ ｔｉｎｕｏｕｓｓｔｒｕｃｔｕｒｅｓ.Ａｖｅｒｙｉｍｐｏｒｔａｎｔｓｔｅｐｉｎｔｈｅｔｏｐｏｌｏｇｙｏｐｔｉｍｉｚａｔｉｏｎｉｓｔｈｅｃｈａｎｇｅｆｒｏｍｓｋｅｌｅｔａｌｓｔｒｕｃｔｕｒｅｔｏｃｏｎｔｉｎｕｏｕｓｓｔｒｕｃｔｕｒｅ .Ａｃｃｏｒｄｉｎｇｌｙ ,ｔｏｐｏｌｏｇｙｄｅｓｉｇｎｉｓｃｈａｎｇｅｄｆｒｏｍｄｅｆｉｎｉｎｇｗｈｅｔ… 相似文献
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Shape optimization of plate with static and dynamic constraints via virtual laminated element 总被引：1，自引：0，他引：1
ＩＮＴＲＯＤＵＣＴＩＯＮＩｎｓｔｒｕｃｔｕｒａｌｄｅｓｉｇｎ ,ｉｔｉｓｎｅｃｅｓｓａｒｙｔｏｆｉｎｄｔｈｅａｐｐｒｏｐｒｉａｔｅｃｏｎｆｉｇｕｒａｔｉｏｎｏｆａｓｔｒｕｃｔｕｒｅｓｕｂ ｊｅｃｔｅｄｔｏｇｉｖｅｎｌｏａｄｓ.Ｃｏｎｆｉｇｕｒａｔｉｏｎｏｆａｓｔｒｕｃ ｔｕｒｅｉｎｃｌｕｄｅｓｐａｒａｍｅｔｅｒｓｓｕｃｈａｓｉｔｓｄｉｍｅｎｓｉｏｎ ,ｉｔｓｓｈａｐｅ ,ｉｔｓｔｏｐｏｌｏｇｙａｎｄｓｏｏｎ .Ｔｈｅｏｂｊｅｃｔｏｆｏｐｔｉｍｉｚａｔｉｏｎｏｆｔｅｎｒｅｑｕｉｒｅｓｔｈａｔａｓｔｒｕｃｔｕ… 相似文献
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The virtual laminated element method (VLEM) can resolve structural shape optimization problems with a new method. According
to the characteristics of VLEM, only some characterized layer thickness values need be defined as design variables instead
of boundary node coordinates or some other parameters determining the system boundary. One of the important features of this
method is that it is not necessary to regenerate the FE (finite element) grid during the optimization process so as to avoid
optimization failures resulting from some distortion grid elements. The thickness distribution in thin plate optimization
problems in other studies before is of stepped shape. However, in this paper, a continuous thickness distribution can be obtained
after optimization using VLEM, and is more reasonable. Furthermore, an approximate reanalysis method named “behavior model
technique” can be used to reduce the amount of structural reanalysis. Some typical examples are offered to prove the effectiveness
and practicality of the proposed method.
Project (No. 50075083) supported by National Natural Science Foundation of China 相似文献
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Axisymmetric fundamental solutions that are applied in the consolidation calculations of a finitecaly clay layer with impeded
boundaries were derived. Laplace and Hankel integral transforms were utilized with respect to time and radial coordinates,
respectively in the analysis. The derivation of fundamental solutions considers two boundary-value problems involving unit
point loading and ring loading in the vertical. The solutions are extended to circular distributed and strip distributed normal
load. The computation and analysis of settlements, vertical total stress and excess pore pressure in the consolidation layer
subject to circular loading are presented.
Project (No. 500117) supported by the National Natural Science Foundation of Zhejiang Province 相似文献
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INTRODUCTIONBiot’sconsolidationtheorywasproposedin1 941fromcontinuousmediumfundamentalequations.Thetheorytakingintoaccountthecouplingbetweenthesolidstrainsandporepres suredissipationiscalled“coupledconsolidationtheory” .Thesolutionofgoverningequationso… 相似文献
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ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｂｕｒｉｅｄｐｉｐｅｌｉｎｅｃａｎｂｅｃｌａｓｓｉｆｉｅｄｉｎｔｏｔｈｒｅｅｄｉｆｆｅｒｅｎｔｔｙｐｅｓ .Ｄｕｅｔｏｔｈｅｄｉｆｆｅｒｅｎｃｅｏｆｔｈｅｒｅｌａｔｉｖｅｓｅｔｔｌｅｍｅｎｔｂｅｔｗｅｅｎｔｈｅｐｉｐｅａｎｄｔｈｅｓｏｉｌｃｌｏｓｅｔｏｉｔｓｔｗｏｓｉｄｅｓ ,ｔｈｅｖｅｒｔｉｃａｌｐｒｅｓｓｕｒｅｏｎｔｈｅｐｉｐｅｖａｒｉｅｓｄｉｆｆｅｒｅｎｔｌｙ .Ｗｈｅｎｔｈｅｆｉｌｌｉｓｈｉｇｈｅｎｏｕｇｈ ,ｔｈｅｖｅｒｔｉｃａｌｐｒｅｓｓｕｒｅｉｓｔｈｅｍｏｓｔ… 相似文献
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