磨損模型 的英文怎麼說
中文拼音 [mósǔnmóxíng]
磨損模型
英文
wear model- 磨 : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
-
Study on the model of predicting burning erosion of gun barrels
火炮身管燒蝕磨損預測模型的研究Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。A forecasting method of aero - engine wear faults based on gray time sequence model
基於灰色時序的航空發動機磨損故障預測模型As for one specific gun ammunition system, by use of the established mathematical models the curve of the bore wearing, the muzzle velocity reduction related to that kind of curve and the weight coefficient at each section of that curve can be simulated
對于某一火炮彈藥系統,利用建立的數學模型可模擬出炮膛磨損曲線及每一條曲線所對應的初速減退量、曲線上各段的權重系數。Having proceeded from analyzing the bore wearing and erosion by application of the new method, the mathematical model of simulating the law of the bore wearing as well as that of the relationship between the law of the bore wearing and the muzzle velocity reduction have been established
新方法從分析炮膛磨損燒蝕入手,建立了模擬炮膛磨損規律的數學模型和炮膛磨損規律與火炮初速減退量關系的數學模型。In the paper, the projectile pushing process on firing is analyzed. the quantitative computational model of the projectile velocity to gun bore wear is built. finally, taking the 120mm gun for example, the relation of projectile velocity to gun bore wear is calculated, the phenomenon of trajectory peak is analyzed
分析了射擊時彈丸擠進過程,建立了彈丸初速下降量與炮膛內膛磨損量計算模型,並以某火炮為實例計算了該炮彈丸初速下降量與炮膛內膛磨損量之間變化關系,分析了彈道峰現象,為身管壽命預測提供理論依據。Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall
首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程,然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程,再將兩種不同條件下的的運動方程進行比較,指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義,即正是由於擬序猝發作用的存在,才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。In this paper, based on the wear theory, the wear mechanism and the main disable forms are discussed. the more appropriate archard wear calculation model is selected. the cam ' s wear model in view of the influence of surface topography is established
本文以磨損理論為基礎探討了內燃機凸輪挺柱的磨損機理及主要失效形式,選擇了比較合適的archard磨損計算模型,建立了考慮表面形貌的凸輪磨損計算模型,得到凸輪磨損的數值模擬模型。Plastic hollow containner series products adopt high rigidity, anti - transmutation, anti - abrasion, anti - rupture, high - molecule and high density polyethylene as materials. though changing quality, pigmentation and using the international advanced equipments and moulds, puffing plastic hollowly to make up the shape. out products have the quality of high intensity, anti - acid alkali and anti - aging, and have been widely utilized in food, medicine, chemical, petroleum, pesticides and other industries for the external packaging
塑料中空容器系列產品採用剛性大耐蠕變抗磨損及耐環境應力開裂等優點的高分子量高密度聚乙烯作為原料,通過改性著色使用國際先進設備和模具,中空吹塑成型。The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way
結合高性能混凝土與普通路面混凝土的特點,提出了建立在普通路面混凝土基礎上的高性能路面混凝土配合比設計方法,給出了設計流程;通過正交試驗(強度試驗) ,分析了高性能路面混凝土的強度發展規律、影響因素與形成機理;同時,根據疲勞試驗結果採用雙參數weibull分佈模型分別建立了高性能路面混凝土和高性能路面混凝土(沒有摻加硅粉)疲勞方程,應用損傷力學和斷裂力學,分析了高性能路面混凝土的疲勞機理;並採用了對比分析方法,研究了高性能路面混凝土的脆性、抗凍性和耐磨性等。And the results are given in different conditions. in my thesis, the three - dimensional fea model can be used to analyze the contact, while the wear longevity equation is used to calculate the longevity
本文所提出的刷式密封的三維有限元模型能夠利用ansys對刷式密封的接觸問題進行分析,磨損壽命公式可以計算出刷式密封的磨損壽命。It brings out a kind of simplified three - dimensional model in the contact analysis. then combined with ansys software, the contact of brush seal is analyzed wholly, and the longevity ' s equation of seals is derived from the calculation. from the analytic results, we can get the longevity related to parameters
首先提出一種用於刷式密封接觸分析的三維簡化模型,然後利用有限元分析軟體ansys對刷式密封進行了較完整的接觸分析計算,推導出計算刷式密封磨損壽命的理論公式,利用獲得的分析結果計算出與刷式密封工況參數相關的磨損壽命。The expressive model of the characteristic value of the gun bore erosion and wear
火炮身管內膛燒蝕磨損特徵量表述模型The high reality of numerical simulation is studied prominently in the paper, studying the influence of temperature field on wear, introducing the reliability theory and bringing forward the universe model of the high - reality numerical simulation bout linear contact parts
本文著重研究了磨損模擬的高真感性,研究了溫度、壓力對磨損的影響,引入了可靠性理論,提出了線接觸零件磨損的高真感數值模擬通用模型。Based on the discrete mathematics and computer technology, a numerical simulation model is presented in this paper, and it can be used to deal with the wear process characterized by dynamic and non - linear systems, facilitating the above mentioned three difficulties, moreover, the high reality of the numerical simulation is emphasized, which increases the authenticity of the numerical simulation
本文基於離散數學理論和計算機技術提出了一種數值模擬模型,可用於解決復雜動態非線性系統的磨損問題,為徹底解決上述三大難點創造了條件,並著重突出數值模擬的高真感性,增加了數值模擬模擬現實的真實性。The bp neural network is applied to the recognition of wear particles, and a bp neural network sorting system expected to recognize severe wear particle, cutting wear particle, normal wear particle and fatigue wear particle is designed and trained. 6. the function of the neural network ' s hidden layer is analyzed
將神經網路應用於磨粒識別,設計磨粒分類器,在網路學習中運用改進的bp模型,識別嚴重滑動磨損磨粒、切削磨粒、正常磨損磨粒和疲勞點蝕磨粒,隨機選取50個樣本對分類器進行訓練。Results the occlusion contact data and graph of wedge - shaped teeth defect had the features of trauma occlusion. 42. 97 % of them has the larger axial gradient degree, 96. 09 % of them has abration in different classes, 46. 29 % missing the front teeth and 57. 03 % missing the buccal teeth
方法採用臨床物理檢查和石膏模型測量,確定楔狀缺損牙軸傾度、磨損指數、牙缺失等指標;採用計算機圖像處理技術,自行編制軟體程式及硬體系統,測試被檢光(牙合)片,分析並提取楔狀缺損牙接觸(牙合)力、面積、接觸點(牙合)應力等資料和圖形信息。This dissertation integrates theory analysis with experiment research and makes further research on nc geometric simulation. the establish of the cutting forces model, cutter wear model, machining error predition and compensation, machining parameter optimization in the physical simulation fields are made more research on the basis of the above research contents. the main achievements are as follows : 1
本文採用理論分析與實驗研究相結合的思路,進一步研究了幾何模擬與精度驗證技術,研究了銑削力模型的建立、刀具磨損模型的建立、加工誤差模型與誤差補償技術、基於加工模擬的加工參數優化等物理模擬關鍵技術,主要研究內容和成果如下: 1 .設計了集幾何模擬和物理模擬為一體的數控加工模擬系統的體系結構。In the process of establishing model of ball - end cutter milling forces, the algorithm of determining cutter eccentricity parameters are presented to integrate the condition of single edge cutting. the cutter eccentricity parameters are decided by using the above algorithm in the process of calculating milling force coefficients according to the experiment data of milling force. results of experiment show that the simulation algorithm is satisfying
4 .提出了球頭銑刀刀具磨損的衡量方法,建立了磨損模型,用以衡量由刀具磨損而可能產生的加工誤差;建立了球頭銑刀在端銑加工中因刀具變形而可能產生的加工誤差模型;提出了相應的由於刀具磨損和刀具變形引起的加工誤差補償方法。In order to analyze a micro cutting process of abrasive wear by means of molecular dynamics simulation, the principle, model and solving algorithm of molecular dynamics simulation of micro cutting process were discussed
摘要針對磨粒磨損中微觀切削過程,研究了分子動力學模擬的基本原理、磨粒微觀切削過程的分子動力學模擬模型和數值模擬勢法。分享友人