有限元力学专业词汇

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1、有限元、力学专业词汇汇总••中英文对照分布力distributedforce轴句力axialforce静水压力hydrostaticpressure变阿作用力actualforce®屮力concentratedforce拉力tensileforce拉伸实验tensiletest横

2、“J力lateralforcetransverseforce策力gravitationalforce约束力constraintforce正应力normalstress切/.、V•力shearstress正应力的大小magnitudeofnormalstress剪应力的合力resultantofshears

3、tress拉应力tensilestress压应力compressivestress极限应力ultimatestress屈服应力yieldstress应力应变曲线stress-straincurve线性应力应变关系linearrelationshipbetweenstressandstrain惯性矩momentofinertia静矩staticmoment扭矩torquemoment弯術bendingmoment扭转角twistangle两端作用扭矩twistedbycouplesattwoends扭较刚度torsionalrigidity拉伸刚度tensilerigidity刚体r

4、igidbody轴shaft梁beam息转梁cantileverbeam简支梁simplysupportedbeam一端铰支pinsupportatoneend一端固定fixedatoneend#争定梁staticallydeterminatebeam静不定梁staticallyindeterminatebeam对称平而symmetryplane刚体的平衡equilibriumofrigidbody平衡方程equilibriumequation微分方程differentialequation相容方程compatibilityequation补充方程complementaryequa

5、tion滕力学方程equationsofstatic靜力等效staticallyequivalent虎克定律hook’slaw初始位置initialposition込界条件boundarycondition横世标abscissa纵坐标ordinate中件.轴neutralaxis纵轴longitudinalaxis绕纵轴转:动rotateaboutalongitudinalaxis纯剪切pureshear横截而识cross-sectionalarea巧矩1刻bendingmomentdiagram剪力网shearforcediagram剪力宠变abruptchangeinshear

6、force旋转:和平移rotationandtranslation挠度曲线deflectioncurve曲率半轻radiusofcurvature弹性模M:modulusofelasticity比例极限proportionallimit力矩而积法moment-areamethod脆性破坏brittlefail相互■直平面mutuallyperpendicularplanes通过截而形心throughthecentroidofthecrosssection丁•程实际问题practicalengineeringproblems三维力系three-dimensionalforcesyst

7、em$厂交力系cocurrentsystemofforces合力奸tresultantmoment合矢:S:resultantvector标M方程scalarequation、矢M•方程vectorequation、张M•方程tensorequation任意一点anarbitrarypoint反作用力reactionforce一來光abeamoflight反作用力偶reactioncouple几何约4(geometricrestriction耗:z力束restrictionagainstrotation平动约束restrictionagainsttranslation运动的趋势te

8、ndencyofmotion参考框％frameofreference绕给定轴转:动rotateaboutaspecificaxis沿一个方向运动moveinadirection控制方程controlequation未知反力unknownreactionforces共线力collinearforces平曲力系planarforcesystem人小和方h'dmagnitudeanddirection刚性连接rigidlyconnected运动学关系kinematicalr