有限元 力学词汇.docVIP

拉力 tensile force正应力 normal stress切应力 shear stress静水压力 hydrostatic pressure集中力 concentrated force分布力 distributed force线性应力应变关系linear relationship between stress and strain弹性模量 modulus of elasticity横向力 lateral force transverse force轴向力 axial force拉应力 tensile stress压应力 compressive stress平衡方程 equilibrium equation静力学方程equations of static比例极限 proportional limit应力应变曲线stress-strain curve拉伸实验 tensile test‘屈服应力 yield stress 极限应力 ultimate stress轴 shaft梁 beam纯剪切 pure shear横截面积 cross-sectional area挠度曲线 deflection curve曲率半径 radius of curvature曲率半径的倒数 reciprocal of radius of curvature纵轴 longitudinal axis悬臂梁 cantilever beam简支梁 simply supported beam微分方程 differential equation惯性矩 moment of inertia静矩 static moment扭矩 torque moment弯矩 bending moment弯矩对x的导数 derivative of bending moment with respect to x弯矩对x的二阶导数 the second derivative ofbending moment with respect to x静定梁 statically determinate beam静不定梁 statically indeterminate beam相容方程 compatibility equation补充方程 complementary equation中性轴 neutral axis圆截面 circular cross section两端作用扭矩 twisted by couples at two ends刚体 rigid body扭转角 twistangle静力等效 statically equivalent相互垂直平面mutually perpendicular planes通过截面形心 throughthe centroid of the cross section一端铰支 pin support at one end一端固定 fixed atone end弯矩图 bending moment diagram剪力图 shear force diagram剪力突变 abrupt change in shear force、旋转和平移 rotation and translation虎克定律 hook’s law 边界条件 boundarycondition初始位置 initialposition、力矩面积法moment-area method绕纵轴转动 rotateabout a longitudinal axis横坐标 abscissa扭转刚度 torsional rigidity拉伸刚度 tensile rigidity剪应力的合力resultant of shear stress正应力的大小magnitude of normal stress脆性破坏 brittle fail对称平面 symmetry plane刚体的平衡 equilibrium of rigid body约束力 constraint force重力 gravitational force 实际作用力 actual force三维力系 three-dimentional force system合力矩 resultant moment