軟塑性的 的英文怎麼說
中文拼音 [ruǎnsùxìngde]
軟塑性的
英文
soft plastic-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。This test chooses general industrial vc / vac copolymer as raw material, various supplement material additives are also the common conventional avirulent additive on industry ; the plastic material processing routine is also the universal method to make the thermoplastic plate of low temperature of vc / vac copolymer that accords with medical requirement that its softening temperature is 55
本試驗選用氯醋共聚樹脂為主要原材料,所用輔料添加劑也是工業上常見的無毒性常規添加劑;採用常規的塑料加工成型方法及設備製造出軟化點為55的、符合醫用要求的低溫熱塑性氯醋共聚樹脂板材。The papers whose research object is the 7 - floor frame - structure with isolator - seismic layer, in which the isolator - seismic layer adopt some standard interlayer rubber isolator. by establish a 3 - dimension finite - element modal and use the a nalysis soft - ansys, we can make dynamic analysis on the structure. by analyses we can get some response characteristics of the structure sparked by the normal and rarely earthquake of 8 - degree fortify intensity, by the double - horizons seismic and by the vertical seismic
本論文設計了一7層的具有隔震層的框架結構並以此為研究對象,其中隔震層採用標準件的夾層橡膠隔震墊,通過建立三維有限元分析模型,運用大型有限元分析軟體? ansys對結構進行動力響應彈塑性時程分析,得出了結構在8度設防烈度下的常遇水平地震和罕遇水平地震激勵下的響應特性、在雙向水平地震波激勵下結構的響應特性和在豎向地震波激勵下結構的響應特性。Floppy disks : flat, circular piece of magnetically treated mylar plastic that rotates within a jacket
軟盤:包裝在一個塑料裏面,平坦的,圓形的具有磁性的存儲裝備According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory
摘要利用強度折減技術和二分法原理,以塑性區的貫通作為頂板破壞的標準,當采空區頂板的安全系數等於1 . 2時,利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。Viscous pressure forming ( vpf ) is a new sheet flexible forming process developed in 1990s, which is suitable for the forming of high strength, low plasticity and difficulty deformation materials and has wide application in automotive manufacturing and aeronautic industry
粘性介質壓力成形( viscouspressureforming , vpf )是20世紀90年代提出的一種新的板材軟模成形技術,適合於低塑性、高強度、難變形材料復雜形狀件的成形,在航空航天、汽車製造等工業領域有著廣闊的發展空間。Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load
針對當前國內外彈性地基梁法存在的缺陷,基於對軟土流變性的研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法,編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。Standard practice for installation of thermoplastic pipe and corrugated pipe in septic tank leach fields
化糞池瀝濾場用熱塑性管道和波紋軟管的安裝標準實施規范Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed
本文緊密結合溪洛渡水電工程大跨度、高邊墻復雜地下廠房洞室群,施工開挖過程中和開挖后圍巖穩定性研究這一重大課題,在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上,以目前國際工程地質界公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地應力場的研究開始,通過動態數值模擬分析這一新的模擬思路,系統地研究了深切峽谷區地應力場多階段的特徵和演變規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖應力場、變形場和塑性破壞區的變化特徵,進行了全過程動態數值模擬研究,並詳細討論了圍巖質量、初始地應力場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。In this paper, the state of the art of the engineering controlled explosion and the finite element method ( fem ) are reviewed. in order to analyze and simulate the demolishment of frame - structured buildings due to controlled blasting, the method of killing or activating elements, a high level technique in fem, and the special element - solid65 are introduced to the blasting field first in china by the author
本文回顧和總結了工程式控制制爆破和有限單元法的發展歷史及其研究現狀,在國內首次把單元生死法這一有限元高級處理技術和ansys軟體中特有的solid65單元引入到爆破拆除工程領域,用其進行框架結構樓房爆破拆除的計算機模擬,探討了構件在完全破壞前的應力、應變、裂縫生成和塑性鉸形成位置。0 x 10 " 3 and 264. 6mpa respectively. 6. the damping mechanism at ambient temperature is related to viscous motion of dislocation and interactions between dislocation with various point defects, the viscous sliding between the phase with rich zn and primary a dendrite crystals and the micro - plastic deformation of the soft phase in the eutectic
6 ) azsm合金的室溫阻尼行為與組織中的溶質原子和位錯的交互作用以及位錯的粘性運動、富鋅相與基體之間的粘性滑移、以及共晶體中較軟相的西安理工大學碩士學位論文微塑性變形有關。Elasto - plastic model of soft clay under reversal load
往復荷載下軟土的邊界面廣義彈塑性模型It is concluded that the filled soil is silt soil with high liquid limit and plastic limit, which has the low swelling property in natural state
結果認為,此路基填土為高液限和塑限的淤泥質軟土,天然狀態下具有弱膨脹性。Rubber or plastics coated fabrics determination of flexibility - flat loop method
橡膠或塑料塗覆織物.柔軟性的測定.扁環法Rubber or plastics coated textile backings. determination of the flexibility. pendulum method
背面塗有橡膠或塑料的織物底布.柔軟性試驗.擺錘方法Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application
熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型,模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明,硼硅堆導致產生一定的非線性,但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而,在相對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高模型的適用性Plastics - thermoplastic materials - determination of vicat softening temperature
塑料.熱塑性材料.維卡軟化溫度的測定Adhesives - determination of the softening point of thermoplastic adhesives ring and ball
粘合劑.熱塑性粘合劑軟化點的測定In numerical control, data concerning all aspects of the machining operation, such as locations, speeds, feeds, and cutting fluids, are stored on magnetic tape, cassette, floppy or hard disks, or paper or plastic ( a thermoplastic polyester )
在數控中,關于機床控制所有方面的數據,例如位置、速度、流動、流體分流、存儲在磁帶,軟盤或硬盤,或者是紙,或者是塑料(一種熱塑性的聚酯) 。分享友人