pressure time history 中文意思是什麼
pressure time history
解釋
壓力-時間歷程-
Furthermore, the isoline maps of mean wind pressure coefficients and rms wind pressure coefficients of the structure under various wind directions are plotted. in the matter of theoretical analysis, modeling with finite element method, using the local mean wind pressure coefficients and time history of fluctuating pressures determined in wind tunnel, the wind - induced dynamic responses for long - span grid roof structures are calculated in frequency domain and time domain separately
在理論分析方面，建立合理的有限元模型，利用剛性模型風洞試驗獲得的各種不同情況下屋面各節點的平均風壓系數和脈動風壓時程，在頻域內和時域內進行了大跨網架屋蓋結構的風振響應分析。 -
The development of shear band was researched by analyzing the confining pressure - time history, volumetric curve and displacement field of pfc model
通過分析圍壓時步曲線、體變曲線和不同階段的顆粒位移場的變化規律，研究了剪切帶的形成與發展規律。 -
By comparing the numerical results of water infiltration with air and without air, it is shown that the method in this paper is more effective for solving problems of water infiltration in unsaturated soil. in this paper the forming process of oil - bearing basin is the main research object and the mathematic model of geology is built, in order to simulate the dynamic forming process of stratums especially oil - bearing stratum in geology history in the time and space concept, further to investigate the history of petroleum forming, transmitting, accumulating and predict the distributing rule and scope of petroleum, and offer an rapid, quantitative, exact, general choice for the researcher of petroleum geology. with denudation, poor - compactness and sedimentation hiatus, the stratum relations of sedimentation section is judged, and the ancient thickness and pressure of stratum layer are recovered by the inversion method of back stripping. the numerical simulation algorithm of recovery of geological history is also given
為了利用現代化的計算技術再現含油氣盆地的地史演化發育過程，以便進一步定量化研究油氣的生成、運移和聚集的歷史以及預測油氣分佈規律、分佈范圍，為石油地質學家提供一個快速、準確、定量、綜合的研究手段，本文就含油氣盆地的地史演化發育過程為主要研究對象，建立了數學地質模型，運用優化理論與演算法，在考慮了剝蝕、欠壓實、沉積間斷等地質現象的情況下，採用回剝反演法，應用鉆井、測井、地震等方法獲得的地層物性資料，判別沉積剖面中地層的接觸關系，恢復地層的古厚度、古壓力，構造了地史恢復的數值模擬方法。 -
By employing cole ' s classical theory of bubble dynamics, the motion of bubble produced by the underwater explosion and the corresponding bubble pulsating pressure are calculated. a profile function of the shock wave and its parameters are determined according to the principle of wave profile similitude and the equality of impulses. finally an analytic formula is derived to simulate the whole time history of the pressure from the front shock wave to the bubble pulsation, representing the fluid loadings of the underwater explosion
木文首先應用庫爾的經典水下爆炸氣泡運動理論計算出氣泡的運動和脈動的壓力波形，再依據波形相似的原則尋找波形模擬函數，用沖量相等的原則確定波形參數，得出了從沖擊波到氣泡脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。 -
Based on the study of the test pressure data, the acoustic time and the reconstrction of paleoformation pressure, through the study of abnormal pressure in the middle and western sichuan basin, it ' s shown that the distribution of stratum pressure differs greatly in different zones ; the evolution history of paleo - formation pressure has been restored according to the models of the evolution history of pressure, and it shows that there were two high pressure arouse, the first arouse in later jurassic and the second in erlier triassic, analyzing the relations between the excessive pressure distribution and the petroleum migration
摘要通過實測壓力數據、泥巖聲波壓實研究、古壓力恢復研究，對川西、川中地區異常壓力在縱向、橫向上的分佈特點的分析，認?該區異常壓力分佈有明顯的分區性；同時，依據異常壓力的孕育史模型，恢復本地區的上三疊統古壓力的形成與演化歷史，認?上三疊統過剩壓力高峰出現過兩次，分別在晚侏羅世末和早第三紀末；最後分析了該區異常壓力與油氣運聚的關系。 -
For wells with production history, the modern production decline analysis can be applied to yielding the formation parameters, and the semi - log figure of normalized time vs. normalized pressure is taken as the criterion to validate the calculated results
對具有生產記錄的氣井，可以採用現代產量遞減分析方法反求地層參數，並用標準化時間和標準化壓力半對數圖，作為檢驗計算結果正確與否的標準。 -
According to the parameters given by chinese code and the shape coefficients obtained from wind tunnel experiments, the relationship between velocity and pressure of fluctuating wind is dervied, and the time - history of a fluctuating wind load is given
然後根據國家規范提供的參數及風洞試驗得到的形狀系數，推導出脈動風速及風壓之間的關系，求出脈動風荷載的時程。 -
The measuring points are placed on the model dam. according to the hydrodynamic pressure time history of the points, the distribution of hydrodynamic pressure along the dam is determined
在壩面上布置測點，取得測點的動水壓力時程分佈和沿壩面的分佈。
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