variation principle造句
例句與造句
- Application of variation principles in structural seismic check analysis
變分法在結(jié)構(gòu)抗震驗算中的應(yīng)用 - Variation principle of piezothermoelastic bodies , canonical equation and homogeneous equation
壓電熱彈性體的變分原理及正則方程和齊次方程 - Research on the variation principles of the muscle glycogen in rats during repeated bouts of high intensity exercise
重復(fù)性大強(qiáng)度運(yùn)動大鼠在不同時期肌糖原的變化規(guī)律 - Starting from the variation principle of elasticity theory , the finite element method ( fem ) theory is introduced simply
從彈性力學(xué)的變分法原理出發(fā),簡單介紹了有限單元法。 - Finally , two - dimensional wave - motion equations of the finite deformation elastic rod are derived by variation principle taking simultaneously geometrical and physical nonlinearity into consideration
最后,利用變分原理又導(dǎo)出同時考慮幾何和物理非線性的有限變形彈性桿的二維波動方程。 - It's difficult to find variation principle in a sentence. 用variation principle造句挺難的
- Lagrange multiplicator method is introduced in the numerical computation to release the constraint . galerkin method based on the variation principle is used to solve differential and integral equations
Galerkin方法是基于變分原理基礎(chǔ)上的一種把微分方程或積分方程轉(zhuǎn)化為等價的變分方程,通過離散變分方程求原方程數(shù)值解的方法。 - It dwells here upon the constitutive model of tlastic creep damage of heat resistant steel , establishing a corresponding variation principle and finite element discretization form , thus introducing complete numerical variational methods
主要提出耐熱鋼的彈性蠕變損傷本構(gòu)模型,建立起相應(yīng)的數(shù)值變分原理以及有限元離散化形式,從而形成完整的數(shù)值變分方法。 - In the chapter 2 , based on elastic mechanics and variation principle , the fundamental and process of static and dynamic fem is presented , placing special emphasis on the modal superposition method
第二章根據(jù)彈性力學(xué)和變分原理,系統(tǒng)總結(jié)了有限元法求解靜力學(xué)、動力學(xué)問題(包括特征值、動力響應(yīng)問題等)的基本原理和步驟,并重點對模態(tài)疊加法求解動力,響應(yīng)問題作了闡述。 - The main researches enclosed in this thesis are as follows : 1 . based on the newton ' s law of motion , the law of angular momentum and the variation principle , the dynamic model of the satellite with a flexible appendage has been researched
主要內(nèi)容有五個方面: 1 、運(yùn)用牛頓定律、角動量定律和變分原理建立了帶撓性附件的衛(wèi)星動力學(xué)模型,分析了撓性太陽帆板轉(zhuǎn)動對衛(wèi)星動力學(xué)模型的影響。 - The variation principle of wave velocity in different microstructures of 40cr is similar with that of 38crmoal . the velocity in quenching and low temperature tempering structure of gcrlssimn is much lower than the velocity in normalizing , annealing and high temperature tempering structure
Gcr15simn鋼淬火+低溫回火組織的c _ 1遠(yuǎn)大于正火、退火及淬火+高溫回火組織的c _ 1 ;正火、退火及淬火+高溫回火組織的c _ 1比較接近。 - Solving differential equation definite conditions problem is the standard method to calculate the distribution of the director in the liquid crystal cell . but to a lot of questions , there are seldom analytic solutions . the finite elements method is a numerical calculation method to solve maths and physics problems which based on variation principle
求解液晶盒中的指向矢分布的標(biāo)準(zhǔn)做法是通過求解微分方程定解問題來進(jìn)行的,但對于大多數(shù)問題,則很少有解析解,有限元方法是根據(jù)變分原理求解數(shù)學(xué)物理問題的一種數(shù)值計算方法。 - In the buckling question under nonconservation force , a simply example ( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic , straight normal . ) is considered . the variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self - excited vibration . the calculated formulas of the flutter load and quasinatural frequency of shells are obtained . the program for calculating the flutter load is developed . the numerical example is given and some useful conclusions are obtained
對非保守力作用下的屈曲問題,具體研究了圓柱殼在比較簡單的情況,即小變形、線彈性、直法線假設(shè)下在隨動力作用下的殼屈曲問題,由擬固有頻率變分原理推出了圓柱殼受隨從力作用的變分方程,得到了顫振載荷與殼彎曲的固有頻率的計算公式,編制了相應(yīng)的計算機(jī)程序,并給出了具體算例,得到了一些有益的結(jié)論。 - Furthermore using the variation principle in the elasticity , the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects , and the characteristic curves and their characteristic relations are obtained by characteristic line method , and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed
再利用彈性力學(xué)中的變分原理,導(dǎo)出了同時計及粘性和橫向慣性效應(yīng)時的彈性細(xì)桿的幾何非線性波的波動方程,用特征線法得到它的特征線和特征線上的相容關(guān)系,分析了粘性耗散和幾何彌散效應(yīng)對波的傳播速度的影響。