dyna- 中文意思是什麼
-
Based on computer simulations, different programs, such as madymo and ls - dyna, were used in this paper to develop simulation model of car - barrier crash with two kinds of barriers ( concrete barrier and w - beam barrier ) and two styles of cars ( ford and santana ) respectively
文章基於計算機模擬技術，使用不同軟體（多剛體動力學模擬軟體madymo和有限元分析軟體ls - dyna ）針對兩種護欄（混凝土護欄和波形梁護欄）和兩種不同轎車車型（ ford車和santana車）分別建立了轎車-護欄碰撞的模擬模型。 -
Dynamic contact emulate analysis of hypoid gear with ansys ls - dyna
的準雙曲面齒輪動力學接觸模擬分析 -
Analysis of ship - bridge collision based on ansys ls - dyna
的船橋碰撞分析 -
It is proved that contact algorithm of ls - dyna is reliable
研究結果表明，裝甲材料侵徹試驗過程的數值模擬是有效可行的。 -
Small scale gap test is numerically simulated with ls - dyna in this paper
本文應用ls - dyna程序對小隔板試驗進行了數值模擬。 -
With ls - dyna, the numeric simulation studies on the impact are described
本文運用ansys / ls - dyna有限元程序，對比試驗進行了數值模擬。 -
At the same time, the module is applicable to other fem codes that use ls - dyna as solver
同時，該模塊也可以移植到以ls - dyna為求解器的其他有限元分析軟體中。 -
In the computer simulation, the finite element program ls - dyna was used to simulate six operating modes of experiment
在計算機模擬方面，利用大型有限元程序ls - dyna對實驗中的六種工況分別進行了數值模擬。 -
Each ticket set comes with three die - cut tickets, featuring ultraman tiga, dyna and gaia, as well as a collectible ultraman plush toy, in order to commemorate the 35
紀念套票包括三張不同款式的車票，分別以超人?加、帝拿及佳亞為主題，紀念超人誕生三十五周年。 -
In this paper, the program ls - dyna was used. the model was validated by simulating the tibia three - point bending test and lower extremity sheering and bending tests
模型的有效性通過模擬脛骨的彎曲實驗和下肢的剪切與彎曲實驗，並比照相同條件下的生物試驗結果驗證。 -
The project of dengzhou bridge using pre - stress reinforced concrete u - shaped beam structure was considered, using finite element analysis software ansys / ls - dyna to make numerical simulation
全面分析橋梁的結構和碰撞特徵之後，提出了對鄧洲橋和汽車有限元模型的簡化方案。 -
In this article, the process of linear departing installation by fire work is mumerically simulated by ansys / ls - dyna, and discusses how to increase the accurateness of numerical simulation
本文採用ansys / ls - dyna軟體對線性火工分離裝置的爆炸過程進行數值模擬，並通過對數值模擬理論的分析和比較，探討了進一步提高數值模擬準確性的方法。 -
According to floquet theorem, the relations between the dyna mical localization and quasi - energy bands are pointed out with both numerical and analytical calculations on quasi - energy bands and their corresponding time evolution
應用floquet定理，從解析與數值計算兩個角度計算了該模型的準能譜與時間演化，指出動力學局域化與準能譜的塌縮的對應關系。 -
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。 -
Based on the urgent need that pier protective device primarily designed needed to be tested its crashworthiness by the impact of ship in multi - situation, etc in multi - angle and multi - water, the writer analyzed the critical elements that affect the simulation of the collision between ship and pier protective device, and found the feasible way to deal with the conflict between calculation efficiency and precision. using this method and employing ansys / ls - dyna program, which is the universal nonlinear dynamic analysis software, a head - on collision between ship and pier protective device designed for guanzhou river bridge is simulated and presented, the simulation of time history course of full - scale mini - collision between ship and pier protective device was taken into reality with a spot of elements ( less than 21000 ) and scanty time ( 9 hours on p4 pc )
本文在前人研究的基礎之上，結合船橋碰撞實例，對碰撞計算機模擬模擬的關鍵技術進行了研究，在效率與精度的矛盾中找到平衡，對一艘2000噸級散貨船橫橋向正撞廣東管洲河大橋橋墩防撞鋼套箱這一種工況進行了計算機模擬模擬，實現了以較小的單元和較短的時間模擬碰撞的時間歷程，模擬滿足工程精度要求，解決了目前碰撞模擬計算周期太長的問題，同時模擬模擬得到的結論對該類防撞裝置提供了有價值的參考。 -
A finite element model describing the drawing process of the heat - shield panel of automobile engine is established by using the commercial dynamic explicit code ls - dyna
摘要使用基於動態顯式演算法的商業軟體ls - dyna建立了某汽車發動機隔熱罩拉延成形的有限元模型，通過所建立的有限元模型分析了壓邊力對拉延成形的影響。 -
? by using of ls - dyna program, the dynamic deformation processes of modeled the two kinds of experiments without he reaction are calculated and show little difference from the experimental data when plastic _ kinematic model was used for lacking materials properties of other models
由於缺乏材料參數，對炸藥選取彈塑性本構模型，因此可能導致計算結果較真實情況有一定偏差。另外，利用現有的點火增長反應速率模型對兩種試驗進行了初步的計算。 -
In this paper, by using non - linear finite element software, ansys / ls - dyna, simulate a forming of auto fall to ground skeleton part, get the contour of the semi - finished product, forecast the change of the blank thickness and the probable wrinkling, cracking, and from the simulation of the spring - back, obtain the spring - back tendency. so, get technology parameters, which are inextricable to forming production. all these will pose great significant to production in theory and reality
本文運用非線性有限元軟體ansys ls - dyna對汽車落地骨架零件進行了沖壓成形的數值模擬，得出了毛坯外形，預測了成形過程中板料壁厚變化和可能出現的起皺、破裂現象，通過回彈模擬，預測了回彈趨勢，獲得了該類零件成形所需要的工藝參數，對實際生產具有一定的指導作用。 -
3. wth application of large - scale computational software anasys - dyna, the case of elastic impact to each other of two recta - ngular cross - section rods has been implemented and also compared with theoretical results, which maks good agreement and draws very helpful practical experiences to use some techncal parameters in the program. eventually, the a real - world aircraft windshield shell structure impacted by a flying bird has been simulated through fem numerical computation, and meanime, an engineering predical experimeni of bird sttiking to the windshield in some type of aircraft has been performed
3 、應用大型科學計算程序anasys - dyna ，對彈性體碰撞進行了數值計算驗證並與理論結果對比，獲得了計算參數應用的實踐經驗；在此基礎上，進行了鳥體撞擊飛機風擋結構動力學響應的實際數值計算，與此同時安排了工程鳥體撞擊試驗，並就兩者計算結果給予了細致分析對比，獲得了良好的一致性結論。 -
On the basis of the impacting test of particle separator vortex blade, utilize ansys / ls - dyna finite element software to carry on the value computation to the impacting process and the analysis to the computed result ; and carry on the comparison to the computed result and the test result, two kind of results tally well
在粒子分離器渦流葉片外物撞擊試驗的基礎上，運用ansys / ls - dyna有限元軟體對撞擊過程進行了數值計算，對計算結果進行了分析;並對計算結果和試驗結果進行了比較，兩種結果吻合較好。本文開展的對粒子分離器渦流葉片的外物撞擊試驗和數值計算，在國內屬首次進行。
分享友人