拉伸應變計 的英文怎麼說
中文拼音 [lāshēnyīngbiànjì]
拉伸應變計
英文
te ile strain meter-
The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test
建立了拉伸和應變疲勞的有限元模型,使用基於晶體滑移模型的數值方法,對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變量進行計算,分析它們對晶體塑性變形的不同影響。The calculation result is compared with that of some experiments and other references, and it is satisfactory. the subroutines can be applied to the stress analysis of turbine disks in aeroengines
計算結果表明介面子程序具有在不同應變率條件下、應變率跳級拉伸條件下以及循環載荷條件下的模擬能力,程序正確、可靠,適于渦輪盤等發動機熱端部件的應力分析。Developing a software for the testing machine measuring and controlling system. the software can automatically switch control mode according to standard in the process of tensile testing and automatically judge constitutive mode of material. at the same time, it can automatically measure elastic modulus e, yield strength o s, proof strength, non - proportional extention o 0. 2, percentage extention 8, tensile strength o b, etc. it can applied in industry practice
在經典pid控制與模糊控制的基礎上,設計了模糊自適應pid控制應用於試驗機的應力、應變及位移控制; 3 、開發了一套完整的試驗機測控系統軟體,能在試樣拉伸過程中按標準自動切換控制方式並自動判別材料本構模式,能夠自動測定彈性模量e 、屈服限_ s 、條件屈服限_ ( 0 . 2 ) 、延伸率、強度限_ b等,應用於工程實際。2. the static tensile test of unit cells was simulated by finite element method. the theoretical results were compared with the practically experimental results and the rationality and feasibility of the micro - mechanical model was checked
對代表單元體模型在靜態加載條件下的拉伸情況進行有限元模擬,將計算得到的理論應力應變曲線與cu納米微米晶復合材料實際拉伸曲線進行比較,驗證該模型的合理性與可行性。The main structure stress of the car body is particularly analyzed. it is analyzed and calculated under vertical load case, lengthwise stretch load case, lengthwise compression load case, air pressure power load case, operating load case. result shows : the structure distortion harmonize, strength - weakness positions represent local stress focus
通過對垂向載荷工況、縱向拉伸載荷工況、縱向壓縮載荷工況、氣動載荷工況和運用狀態垂向載荷工況的分析計算,結果表明:該車鋼結構變形協調,強度薄弱部位主要表現為局部應力集中。Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined
假設船體橫向框架材足夠強,因而板架的整體破壞不會發生;基於梁?柱理論、理想彈塑性假設、平面假設,建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線,應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩,並據此開發了計算程序sus 。The calculated value of shear force model fit well with the experimental results. it means that compare to the tensile stress during squeeze flow the shear stress can be omitted especially when the molding rat e is low and distortion rate is low
拉伸粘度模型的計算結果與實驗結果吻合得相當好表明:在合模速率不大或變形率不是很大的情形下,擠壓流動過程中剪切力相對于拉伸應力可以忽略。1. experiments on uniaxial tensile of cfrp and gfrp are carried out, in which the tensile strength, young ' s modulus and ultimate deflection of frp are measured. the influence on tensile behavior caused by different adhesives is analyzed, and the standardization problem on tensile test methods is discussed
設計了加載裝置和測量應變裝置,測試6種不同纖維片材和粘結劑組合的抗拉強度、彈性模量、極限應變,並分析不同粘結劑對纖維片材拉伸性能的影響,最後對纖維片材拉伸試驗的標準化問題進行了簡單的探討。Early age cracking of concrete has re - emerged as an important issue all over the world in recent years. the stress, due to restrained volume change related to thermal deformation and shrinkage in the early age concrete, is the main driving force for the deleterious cracking in the construction stage. during the development of the stress, creep, a very important property of concrete, is always developing. creep contributes to 40 ? - 50 ? reduction of the elastically induced stress in the restrained specimen. ring test, a qualitative test, can provide information to assess the potential for cracking of different concrete. an overview of ring test developed in recent years and mechanism of uniaxial tensile creep test is described in this paper at first. then, an innovative test equipment based on ring test is outlined
近年來混凝土早期裂縫問題再次引起全球工程界的廣泛關注.早期混凝土由於體積變形受到約束而產生的應力是導致混凝土開裂的主要因素.在混凝土應力發展的同時,混凝土徐變也在同時發生著變化.有研究表明,徐變能減少40 ? - 50 ?的早期應力.圓環試驗是用於定性評價混凝土材料抗裂性能的試驗方法之一.本文首先分析了圓環試驗和單軸拉伸徐變試驗的原理,創造性地將圓環試驗用於測量早期混凝土的干縮徐變,並設計了試驗方案Tension stress and strain relation along the z direction is researched about single copper pole near the zero temperature. the elastic modulus is computed
研究了納米單晶銅桿在接近絕對零度下的拉伸下的應力應變曲線,並計算了楊氏模量。In our experimentation, we combine fiber bragg grating with tb - dy - fe single crystal, we can measure the current which produces the magnetic field when we measure the shift of bragg wavelength because of magnetostrictive strain of tb - dy - fe single crystal in magnetic field, we also study the relation between bias field, strain of current sensor
本實驗將光纖布拉格光柵與tb - dy - fe結合起來,利用tb - dy - fe在磁場下的伸縮引起布拉格波長的改變,來測量產生磁場的待測電流的大小。在實驗中我們還研究了偏場,預應力與傳感器的關系,在這個過程中我們找到了與傳感器有關的最佳設計參數。From several strain measurements of members, such as a tension plate with only a hole, or double troughs and a torsion shaft with a hole, the method is effective
該文對帶孔或槽的拉伸試件和帶孔的圓軸試件應變測量數據進行了分析計算,結果表明這是一種較實用的方法。Afterward the numerical method was used to decompose the inherited integration, so the matrix form of constitution equations was derived. then through utilizing the lagrange equation directly, the paper gets the finite element formula. to test the model, the paper calculate the osteoblast ' s dynamic response under near static load and sinusoidal load at a simple tension beam and a four point bending beam
針對單向拉伸和四點彎曲兩種離體培養成骨細胞的裝置,再根據實際情況,將培養基看成是一種多孔材料,而將成骨細胞看成是粘彈性體,利用自編的有限元分析程序分別計算了受擬靜態載荷和受交變載荷下細胞的動力響應,結果很好地反映了細胞的粘彈性性質。Fifthly, thermal stability is analyzed based on optimized structure of swcnt. under low temperature and high temperature, tensile responses of swcnt are probed. young ' s modulus and elastic strain are showed
隨后,對能量最優化后的碳納米管進行了熱穩定性分析,同時探討了碳納米管在低溫和高溫下的拉伸響應,估算了碳納米管的楊氏模量,計算了其彈性應變。The critical current and ac losses in hts tapes were measured under different winding radii and pulling stress. a theoretical model was proposed to describe the relationship of critical currents and ac losses with the winding or pulling stress - strain. it is shown that the calculated values were in agreement with the measured results quite well
實驗測量了高溫超導帶材在不同彎曲半徑及不同拉伸應力下的臨界電流與交流損耗;建立了高溫超導帶材的交流損耗和臨界電流隨彎曲與拉伸應力?應變變化的理論模型;利用該理論公式計算的結果與測量結果符合得相當好。分享友人