rigid body displacement 中文意思是什麼

rigid body displacement 解釋
剛體位移
  • rigid : adj 1 堅硬的，強直的，硬性的，僵硬的 （opp flexible elastic）。2 堅定的，固定不動的。3 嚴格的，嚴...
  • body : n 1 身體，體軀，肉體；屍首；軀干，【林業】立木。2 本體，主體；主力；本文，正文；部分。3 （衣服的...
  • displacement : n 1 轉位，移動；取代，置換；（人的）流離失所。2 撤換，免職。3 【機械工程】（活塞）排氣量；【航海...
  1. The effect of car body elastic vibration on the ride comfort is analyzed. the ride comfort and acceleration responses of the car system with rigid car body model or elastic car body model are studied and compared. finally by using ansys / ls - dyna software, the finite element impact models of car body with a rigid wall have been set up, then the displacement, velocity, acceleration and energy variation of the car body are analyzed and compared for before and after lightening cases under the condition of impact speed 5. 8m / s and 11. 8m / s

    本文利用ansys軟體建立了25k硬臥客車車體輕量化前後的有限元模型，計算了車體的強度、剛度和模態，並對輕量化前後的車體作了對比分析；然後，用nucars動力學分析軟體建立了25k硬臥客車系統的數學模型，分析了彈性振動對平穩性的影響，並對剛性車體和輕量化前後的彈性車體對平穩性和加速度響應的影響作了對比分析；最後用ansys / ls - dyna軟體建立了25k硬臥客車車體輕量化前後的動態顯式有限元模型，分別在5 . 8m / s和11 . 8m / s的速度下碰撞剛性墻，得到了車體的相對位移、速度、加速度和能量的變化過程，並作了對比分析。
  2. Gram - schmidt method for zernike polynomials fit and singular value decomposition ( svd ) are concerned. the direction question for zernike polynomials fit is discussed and the surface error in the normal direction is deduced. to solve - the coupling and mixture of zernike polynomials fit method, rigid - body displacement is removed with coordinate transformation and then fitted with zernike polynomials

    介紹了zernike擬合的gram - schmidt以及奇異值分解兩種方法；論述了zernike擬合時的方向問題，計算了法線方向的面形誤差；針對zernike擬合時的藕合與混淆，採用先用齊次坐標變換去除剛體位移，再用奇異值分解進行zernike擬合。
  3. The proposed beam model satisfied the rigid - body test requirement. by using general displacement control method ( gsp method ) to determine the incremental load parameter and using incremental tangent method to deal with material non - linearity, the proposed beam model were proved to be able to track the entire procedure of deformation, numerically effective during buckling or snap - through of structure

    一系列的典型算例分析表明，本文提出的彈塑性大位移梁單元，能夠準確的跟蹤結構變形的整個過程，包括極值點失穩和跳躍屈曲的情況，可以運用於框架結構的屈曲后性能研究和非線性極限承載力的分析計算。
  4. By means of computing it makes clear that this way is simple, and if you make out the non - polar velocity diagram of planer rigid - body system, you may determine speedily the relations of the imaginary displacement, and moreover it brings about a new way to determine the imaginary displacements of planer rigid - body system

    算例表明，該方法簡單，而且只要作出平面剛體體系的無極速度圖，便可快速地確定該體系的虛位移關系；同時，該方法也為平面剛體體系虛位移關系的確定提供了一條新途徑。
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