碰響試驗 的英文怎麼說
中文拼音 [pèngxiǎngshìyàn]
碰響試驗
英文
click test-
Chapter 8 simulates the ship maneuvering motion of turning and zigzag test and takes into account the effect of water depth on ship maneuverability by use of the maneuvering model group ( mmg ) of japan. the main aim is to satisfy the need such as developing the maneuvering simulator of freshwater, the dynamic demonstration of avoiding ship collisions
第8章選擇日本mmg的操縱運動數學模型對船舶作回轉運動、 z型操縱試驗的情況進行了數值模擬，並著重考慮了航道水深對船舶操縱性能的影響問題，其目的上要是為了課題組今後進一步開發諸如內河船舶操縱模擬器、船舶避碰計算機動態演示的需要。On the basic of a great of literature reading and research on safety of side impact of the car, according to requirement of ece r95, applied madymo6. 2. 1 software, established simulation model of side impact of the car, researched the relationship between side rigidity of the car and passenger injury in side impact, which showed that during first impact the bigger side rigidity was, the more advantaged protection for the car and passenger in a definite range, and which drew a conclusion that the most serious part of passenger injury was pelvis during first impact. then detailed the substructure model by defining bodies, joints, contact types and contact characteristic, researched some improvement approach for side safety of the car, and then analyses a particular case, that was to say to fix vehicle door bar fender on between inner and outer plate of the vehicle door, analyzed the influence of passenger injury when the bar fender was fixed on different position, the result showed that the passenger injury was less when the bar fender was fixed on the height of vehicle door decorate bar. finally, a set of tests were performed, contrasting the simulation result with the test, analyzed the influence of the side rigidity of the car to passenger injury, which showed the test
本文在對汽車的側面碰撞安全性進行大量文獻閱讀和研究的基礎上，按照歐洲ecer95側面碰撞乘員保護法規的要求，應用多剛體動力學軟體madymo6 . 2 . 1 ，建立了汽車的側面碰撞模擬模型，研究了汽車的側面剛性對乘員損傷的影響，結果表明在「一次碰撞」中，在一定范圍內汽車側面剛性越大，越有利於汽車和乘員的保護，同時得出結論，即在「一次碰撞」過程中人體損傷最嚴重的部位是骨盆;然後通過定義各剛體、鉸鏈、接觸類型以及接觸特性，對該模型進行子結構細化工作，研究了加強汽車側面安全性的若干改進措施，並進行了一個特例分析，即在此模型的車門內外板之間安裝了車門防撞桿，分析了當車門防撞桿安裝在不同位置時對乘員損傷的影響，結果表明防撞桿位於車門裝飾條的高度時，對乘員的損傷較小;最後進行了一組側面碰撞試驗，通過試驗和模擬結果的對比，分析汽車的側面剛性對乘員損傷的影響，表明試驗和模擬結果是一致的，從而證明了模擬模型的有效性以及模擬結果的正確性。The scheme of this project is : firstly, completing a automobile obverse impact dummy and preparing a special digital signal analysis system ( including sensors, a signal pretreatment, a signal collection, a digital signal process software ) ; secondly, this dummy will be used in impacting experiments to check its signals response and bio - response characteristic through comparing sensors in difference parts of the dummy that are suffered one impact ; thirdly, the bio - mechanics characteristic of the dummy will be demonstrated by nationality automobile safety testing center
該課題的設計思路為：研製汽車正面碰撞假人一個；設計專用的數字信號分析系統一套（包括傳感器、信號預處理、信號採集和數字信號處理軟體） ；將假人作簡易碰撞試驗以檢驗是否有響應信號，並對不同部位的傳感器在受到相同沖擊的情況下產生的響應信號進行對比以驗證假人的生物力學響應特性；假人的生物力學特性由國家汽車檢驗中心進行標定試驗來論證。Measuring is a key technology during the crash test, " which including the signal of acceleration, the force of fix - counterguard and the responses of passengers. the hardware and software of data acquisition system are the two main points in vehicle base system
在碰撞試驗中，電測量技術也是關鍵技術，其測量項目包括碰撞過程中的減速度信號、固定壁障的碰撞力和乘員響應的測量。The performance analysis and the principle of energy absorbtion with safety steering pillar, the effects of steering column angle on the energy absorbtion, the testing ways for the hacking amount of steering wheel and the crashing power of steering wheel to driver chest are all put forward
分析了安全轉向柱的性能和吸能機理，轉向柱的安裝角度對吸能效果的影響，轉向盤向後位移量試驗方法和轉向盤對駕駛員胸部碰撞力的試驗方法。The important parts of the dummy, such as head, bosom and knees, were demarcated in nationality automobile safety testing center, and the results were contrasted from hybrid - ill
在假人的碰撞試驗中，作者對實驗結果作了對比分析，發現該假人有較好的生物力學響應特性。The optimization problem of parameters, example hourglass coefficient, mesh size, jointing simulation and so on, which affect the result of crash simulation, is solved. the size and number projects of steel panel and square column, which make deceleration curve of sled reach the requirement, are found by simulation
模擬分析研究成功地解決了影響碰撞模擬結果的「砂漏」系數、網格大小、焊接模擬參數等各種相關參數的優化處理問題，為臺車碰撞試驗中得到符合要求的臺車減速度曲線提供了鋼板或方形梁的最佳尺寸及組合方案。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。分享友人