力學(xué)專業(yè)英語詞組+解釋

1、拉力tensilefce正應(yīng)力nmalstress切應(yīng)力shearstress靜水壓力hydrostaticpressure集中力concentratedfce分布力distributedfce線性應(yīng)力應(yīng)變關(guān)系linearrelationshipbetweenstressstrain彈性模量modulusofelasticity橫向力lateralfcetransversefce軸向力axialfce拉應(yīng)力tensilestress壓應(yīng)

2、力compressivestress平衡方程equilibriumequation靜力學(xué)方程equationsofstatic比例極限proptionallimit應(yīng)力應(yīng)變曲線stressstraincurve拉伸實(shí)驗(yàn)tensiletest‘屈服應(yīng)力yieldstress極限應(yīng)力ultimatestress軸shaft梁beam純剪切pureshear橫截面積crosssectionalarea撓度曲線deflectioncurve曲率

3、半徑radiusofcurvature曲率半徑的倒數(shù)reciprocalofradiusofcurvature縱軸longitudinalaxis懸臂梁cantileverbeam簡(jiǎn)支梁simplysupptedbeam微分方程differentialequation慣性矩momentofinertia靜矩staticmoment扭矩tquemoment彎矩bendingmoment彎矩對(duì)x的導(dǎo)數(shù)derivativeofbendingm

4、omentwithrespecttox彎矩對(duì)x的二階導(dǎo)數(shù)thesecondderivativeofbendingmomentwithrespecttox靜定梁staticallydeterminatebeam靜不定梁staticallyindeterminatebeam相容方程compatibilityequation補(bǔ)充方程complementaryequation中性軸neutralaxis圓截面circularcrosssecti

5、on兩端作用扭矩twistedbycouplesattwoends共線力collinearfces平面力系planarfcesystem一束光abeamoflight未知反力unknownreactionfces參考框架frameofreference大小和方向magnitudedirection幾何約束geometricrestriction剛性連接rigidlyconnected運(yùn)動(dòng)學(xué)關(guān)系kinematicalrelations運(yùn)動(dòng)

6、的合成superpositionofmovement固定點(diǎn)fixedpoint平動(dòng)的疊加superpositionoftranslation剛體的角速度angularspeedofarigidbody質(zhì)點(diǎn)動(dòng)力學(xué)particledynamics運(yùn)動(dòng)微分方程differentialequationofmotion工程實(shí)際問題practicalengineeringproblems變化率rateofchange動(dòng)量守恒conservation

7、oflinearmomentum定性的描述qualitativedeion點(diǎn)線dottedline劃線dashedline實(shí)線solidline矢量積vectproduct點(diǎn)積dotproduct極慣性矩polarmomentofinertia角速度angularvelocity角加速度angularaccelerationinfinitesimalamount無窮小量definiteintegral定積分acertaininterva

8、loftime某一時(shí)間段kiicenergy動(dòng)能conservativefce保守力dampingfce阻尼力coefficientofdamping阻尼系數(shù)freevibration自由振動(dòng)periodicdisturbance周期性擾動(dòng)viscousfce粘性力fcedvibration強(qiáng)迫震動(dòng)generalsolution通解particularsolution特解transientsolution瞬態(tài)解steadystateso