安全因数 safety factor
闭口薄壁杆 thin-walled tubes
比例极限 proportional limit
边界条件 boundary conditions
变截面梁 beam of variable cross section
变形 deformation
变形协调方程 compatibility equation
泊松比 Poisson's ratio
材料力学 mechanics of materials
冲击荷载 impact load
初应力,预应力 initial stress
纯剪切 pure shear
纯弯曲 pure bending
脆性材料 brittle materials
大柔度杆 long columns
单位荷载 unit load
单向应力,单向受力 uniaxial stress
等强度梁 beam of constant strength
叠加法 superposition method
叠加原理 superposition principle
动荷载 dynamic load
断面收缩率 percentage reduction in area
多余约束 redundant restraint
二向应力状态 state of biaxial stress
分布力 distributed force
复杂应力状态 state of triaxial stress
杆,杆件 bar
刚度 stiffness
刚架,构架 frame
刚结点 rigid joint
各向同性材料 isotropical material
工作应力 working stress
构件 structural member
惯性半径 radius of gyration of an area
惯性积 product of inertia
惯性矩,截面二次轴距 moment of inertia
广义胡克定律 generalized Hook's law
横向变形 lateral deformation
胡克定律 Hook's law
滑移线 slip-lines
极惯性矩,截面二次极矩 polar moment of inertia
极限应力 ultimate stress
极限荷载 limit load
挤压应力 bearing stress
剪力 shear force
剪力方程 equation of shear force
剪力图 shear force diagram
剪切胡克定律 Hook's law for shear
剪切 shear
截面法 method of sections
截面几何性质 geometrical properties of an area
截面核心 core of section
静不定次,超静定次数 degree of a statically indeterminate problem
静不定问题,超静定问题 statically indeterminate problem
静定问题 statically determinate problem
静荷载 static load
静矩,一次矩 static moment
颈缩 necking
开口薄壁杆 bar of thin-walled open cross section
抗拉强度 ultimate stress in tension
抗扭截面系数 section modulus in torsion
抗扭强度 ultimate stress in torsion
抗弯截面系数 section modulus in bending
拉压刚度 axial rigidity
拉压杆,轴向承载杆 axially loaded bar
力学性能 mechanical properties
连续梁 continuous beam
连续条件 continuity condition
梁 beams
临界荷载 critical load
挠度 deflection
挠曲轴 deflection curve
挠曲轴方程 equation of deflection curve
挠曲轴近似微分方程 approximately differential equation of the deflection curve
内力 internal forces
扭矩 torsional moment
扭矩图 torque diagram
扭转 torsion
扭转角 angel of twist
扭转刚度 torsional rigidity
欧拉公式 Euler's formula
偏心拉伸 eccentric tension
偏心压缩 eccentric compression
平均应力 average stress
平面弯曲 plane bending
平面应力状态 state of plane stress
平行移轴定理 parallel axis theorem
平面假设 plane cross-section assumption
强度 strength
强度理论 theory of strength
强度条件 strength condition
切变模量 shear modulus
切应变 shear strain
切应力 shear stress
切应力互等定理 theorem of conjugate shearing stress
屈服 yield
屈服强度 yield strength
三向应力状态 state of triaxial stress
失稳 buckling
伸长率 elongation
圣维南原理 Saint-Venant's principle
弹性变形 elastic deformation
弹性模量 modulus of elasticity
体积力 body force
体积改变能密度 density of energy of volume change
体应变 volume strain
弯矩 bending moment
弯矩方程 equation of bending moment
弯矩图 bending moment diagram
弯曲 bending
弯曲刚度 flexural rigidity
弯曲正应力 normal stress in bending
弯曲切应力 shear stress in bending
稳定性 stability
稳定安全因数 safety factor for stability
细长比,柔度 slenderness ratio
线性弹性体 linear elastic body
小柔度杆 short columns
许用应力 allowable stress
许用荷载 allowable load
应变能 strain energy
应变能密度 strain energy density
应力 stress
应力状态 state of stress
应力集中 stress concentration
应力集中因数 stress concentration factor
应力圆,莫尔圆 Mohr's circle for stresses
正应变 normal strain
正应力 normal stress
中性层 neutral surface
中性轴 neutral axis
轴力 axial force
轴力图 axial force diagram
轴向变形 axial deformation
轴向拉伸 axial tension
轴向压缩 axial compression
主平面 principal planes
主应力 principal stress
主惯性矩 principal moment of inertia
主形心惯性矩 principal centroidal moments of inertia
主形心轴 principal centroidal axis
自由扭转 free torsion
组合变形 combined deformation
组合截面 composite area