蠕變荷載 的英文怎麼說
中文拼音 [rúbiànhézǎi]
蠕變荷載
英文
creeload-
Study on casing loads in creep formations
蠕變地層套管載荷分析研究2. the creep and the concretion of the soil under either the natural conditions or the external loads are considered to approach the actual impact. moreover, several settlement models and their computing methods are studied, including the simple theory method and the semi - theory & semi - experience method
2 .在自然狀態和外界荷載作用下,適當考慮土體的蠕變、固結等實際問題,從而更接近實際效果;分析比較了幾種沉降模型及其計算方法,主要為簡易理論法、半理論半經驗法等。First, the dynamic stability of braid composite cylindrical shells with the influences of some main factors is introduced. the general governing equations for the nonlinear dynamic stability is obtained. by the hamilton principle. the creep buckling analysis of braid composite cylindrical shells under axial compression and the dynamic stability under nonconservation force are discussed as emphases. in creep buckling question, by means of theoretical analysis, the instaneous critical load and durable critical load of viscoelastic braid composite cylindrical shell under axial compression are obtained and the numerical example is given
首先介紹了編織復合材料圓柱殼在幾種主要因素影響下的動力穩定性問題,用hamilton原理建立非線性動力穩定性問題的一般性基本方程。然後重點討論了編織復合材料圓柱殼軸壓下的蠕變屈曲問題及非保守力作用下的屈曲問題。對蠕變屈曲問題,通過理論分析來得到了編織復合材料圓柱殼的瞬時彈性臨界載荷和持久臨界載荷,給出了具體的算例。Cellular plastics, rigid - determination of compressive creep under specified load and temperature conditions
硬質泡沫塑料.在規定載荷和溫度條件下壓縮蠕變的測定Results showed that the curves of fatigue / creep have three stages at the 75 % stress and the curves of fatigue / creep have two stages at the 55 % stress
結果表明,在交變載荷最大值為75 %的應力水平下,其疲勞蠕變斷裂曲線為3段式曲線;在55 %的應力水平下, 15小時內其疲勞蠕變曲線為兩段式曲線。Standard test method for creep properties of adhesives in shear by compression loading metal - to - metal
用壓力荷載法測定金屬之間膠粘劑蠕變性能的標準試驗方法Microdeformation mechanism of structural clays and elasto - viscoplastic damage model abstract on the basis of the investigation of the structure of natural sedimentation clays and the simulation of the deformation and rheology of soil particle skeleton under the internal molecule attractive force and electric charge repulsion and the exterior load, a elasto - viscoplastic damage model is constructed in which the soil structure is considered to be gradually damaged in the course of loading, and the effectiveness of the model is verified by the results of laboratory tests and field tests
本文調查了天然粘土中存在的結構性,應用大變形有限元法模擬了土顆粒骨架在內部分子吸力和電荷斥力以及外部荷載作用下的變形和蠕變機理,在此基礎上建立了考慮天然粘土變形過程中結構性不斷受損的彈粘塑損傷模型,並進行了室內和現場試驗,論證了模型的有效性。Then a new method is proposed to calculate the flanged connection system for rocket motors under the bolt - up and operating conditions
然後考慮蠕變-鬆弛作用,提出了在預緊和操作情況下火箭發動機法蘭連接系統載荷與變形計算的新方法。( 2 ) using craze density dcraze (, ) to illustrate the damage degree of material, considering strain equivalent hypothesis, non - linear visco - elastic constitutive equation of pmma taken into consideration of the operation of craze damage is arrived. the pmma sheet is loaded under different forces to validate the non - linear visco - elastic constitutive equation with damage. the result shows that the theory curves obtained by the nonlinear viscoelasticity constitutive relation agrees with experimental data considerably well
( 2 )用銀紋密度d _ ( craze ) ( , t )來描述材料的損傷度d ,在考慮應變等效性假設的基礎上,得到了pmma材料考慮損傷的非線性粘彈性材料的本構關系,運用此方程對材料在不同載荷水平下進行蠕變實驗,從而對蠕變條件下的應變響應進行模擬和預報。Analysis of casing equivalent collapse resistance in creep formations
蠕變地層套管等效破壞載荷分析Involving interaction of gasket, bolts and flange rings, the load - deformation and the structural fuzzy reliability of each component are analyzed in the case of ideality, external loads and creep - relaxation respectively. and then, the sealing fuzzy reliability of the flanged connection system is researched. the function of each part of genetic algorithm is analyzed in application to nonlinear unconstrained and constrained optimization
本文將墊片、螺栓和法蘭作為一個相互作用的整體,比較深入地分析了理想情況下、有外載作用及蠕變-鬆弛影響下,平墊片和0形圈這兩種典型的火箭發動機法蘭連接系統各元件的載荷與變形、元件的結構可靠度和火箭發動機法蘭系統的密封可靠度。分享友人