On the nonlinear response of zero-force members

Krisztina Toth; Gabor Domokos

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On the nonlinear response of zero-force members

机译：关于零力构件的非线性响应

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In this paper the nonlinear response of zero-force members is investigated in linear elastic pin-jointed trusses and it is shown that in such members the normal force is typically a quadratic function of the load parameter, and so the sign of the normal force does not depend on the sign of the load. A simple, intuitive method is provided to determine the sign of the normal force. A 'degenerate' example is also demonstrated, containing zero-force members in which the dependence of the internal force on the load parameter is of arbitrary order.

机译：本文研究了线性弹性销钉连接桁架中零力构件的非线性响应，结果表明，在这种构件中，法向力通常是载荷参数的二次函数，因此法向力的符号确实不取决于负载的迹象。提供了一种简单直观的方法来确定法向力的符号。还展示了一个“简并”示例，其中包含零力构件，其中内力对载荷参数的依赖性为任意顺序。

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来源
《International Journal of Mechanical Engineering Education》 |2006年第2期|p.175-182|共8页
作者
Krisztina Toth; Gabor Domokos;
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作者单位

Department of Mechanics, Materials and Structures, Budapest University of Technology and Economics, H-1521 Budapest, Hungary;

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原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
关键词
zero force member; nonlinear response; truss;

机译：零力构件;非线性响应;桁架;

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On the nonlinear response of zero-force members

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