1、管道应力计算英文热应力分析 thermal stress analysis管道柔性分析 piping flexibility analysis荷载工况 load case力 force反力 reaction力矩 moment弯曲力矩 bending moment扭矩 torque外载 externally applied load荷载 load冷态荷载 cold load工作荷载 working load外力 external force内力 internal force力偶 couple of force管系 piping system位移 displacement附加位移 appendan
2、t displacement; externally imposed displacement角位移 angular rotation冷拉 cold spring自拉 self spring方向 direction元件 member节点 node节点号 node number自由 free固定点 fix point; anchor point刚性的 rigid柔性 flexibility塑性 plasticity热循环 thermal cycle剧烈循环条件 severe cyclic condition应力 stress弯曲应力 bending stress扭转应力 torsional st
3、ress轴向应力 axial stress剪切应力 shear stress拉应力 tension stress压应力 compression stress一次应力 primary stress二次应力 secondary stress位移（热胀）应力范围 displacement (thermal expansion) stress range许用应力范围 allowable stress range位移应力 displacement stress柔性应力 flexibility stress内压应力 internal pressure stress外压应力 external pressur
4、e stress纵向应力 longitudinal stress许用应力 allowable stress主应力 principal stress圆周应力 circumferential stress; hoop stress峰值应力 peak stress脉动应力 pulsating stress交变应力 alternating stress残余应力 residual stress热应力 thermal stress遛转半径 radius of gyration泊松比；横向变形系数 Poisson ratio弹性模量 modulus ofelasticity惯性矩 moment of ine
5、rtia极惯性矩 polar moment of inertia断面系数 section modulus应力集中系数 coefficient of stress concentration应力范围减小系数 stress range reduction factur应力增大系数 stress intensification factor面内 in-plane面外 out-plane柔性系数 flexibility factor柔度特性 flexibility characteristic弹簧系数 spring constant热膨胀系数 thermal expansion coefficient
6、安全系数 safety factor应变；变形 strain; deformation应变能 strain energy挠度；弯度 deflection地震 earthquake耐震等级 seismic class临时荷载 temporary load地震荷载 seismic load; earthquake load地震系数 seismic coemcient; seismic factor冲击荷载 shock load超载 superimposed load; excess load集中质量 lumped mass推力 thrust设计震度 design scismic coefficie
7、nt设计响应谱 design response spectrum谱分析 spectrum analysis动态分析 dynamic analysis谐振分析 harmonic analysis固有振动型式 natural frequency mode阻尼振动 damped vibration机械振动 mechanical vibration音响振动 acoustic vibration自由振动 free vibration共振 resonance湍振 surging脉动 pulsation激振；激发 excitation衰减系数 decay factor; decay coefficient; attenuation constant固有频率 natural frequency周期 period波谷 wave trough波峰 wave crest振幅；波幅 amplitude水锤 water hammer
