convex polyhedron 中文意思是什麼

convex polyhedron 解釋
凸多面體
  • convex : adj. 中凸的，凸圓的，凸面的。n. 凸狀，凸面，凸圓體。 convex glasses 遠視眼鏡，老花眼鏡。adv. -ly
  • polyhedron : n. （pl. -dra, polyhedrons） 【幾】多面體；【拓】可剖分空間。adj. -hedral
  1. Algorithm of parallel collision detection based on dividing a convex polyhedron to tetrahedrons

    基於凸多面體剖分的并行碰撞檢測演算法
  2. Bounded convex polyhedron

    有界凸多面體
  3. Further, the codes of the meso - scale structured finite element grids of concrete are developed. ( 2 ) the fortran program to generate random convex polyhedron aggregate based on the topology of spherical aggregates and the codes of the meso - scale structured finite element grids of concrete are developed

    （ 2 ）為了實現骨料模型和其細觀有限元網格的可視化，本文還研究了利用現有商業軟體生成多面體隨機骨料的可視化混合編程的方法。
  4. A good model of the full - grade aggregate concrete with high aggregate content is precondition to successfully execute concrete meso - mechanical simulation, so that the main work in the dissertation is focused on the following study concerning the random aggregate model of dam fully - graded concrete : ( 1 ) based on the topology of spherical aggregates, an algorithm of the random convex polyhedron aggregate model was presented considering the actual aggregate content, grading, and aggregate shape, and corresponding fortran program was developed to generate random convex polyhedron aggregate

    針對全級配大壩混凝土的實際骨料含量和骨料形態，本文做了以下主要工作: （ 1 ）在一種高效率生成的隨機球骨料模型的基礎上，形成隨機凸多面體骨料模型，同時研究了細觀單元屬性判別方法，編制了對含有凸多面體骨料的細觀區域進行結構性有限元網格剖分程序。本文給出的三維隨機骨料模型演算法不但考慮了混凝土的骨料的實際級配和含量，而且計及了骨料的實際形態。
  5. This article proposes in order to quickly hidden processing is carried on to multi concavo - convex polyhedron, the hierarchical structure is applied to carried on description on topo relations of three dimensional physique ; the bidirectional link table is applied to carried on the dynamic node assignment, for enhancing the efficiency of the algorithm ; when multi three - dimensional body is being hidden processing, the screen projection polygon should be carried on the overlaped eliminating confirmation and the polygon edges be carried on the computation of the intersectant points, the depth inspection, the comprehensive test and so on

    摘要文章提出一種對多個凹凸形多面體進行消隱處理演算法，並介紹了採用層次結構進行三維形體的拓撲關系描述；採用雙向鏈表進行動態結點分配的演算法，提高了演算法效率；對多個三維物體消隱處理時，進行屏幕投影多邊形的重疊排除驗證，對多邊形邊進行交點計算，深度檢查，包容性測試等。
  6. In section one, based on theory of n dimensional euclid space, a new method labeled as " pointlineplane " recycling optimization algorithm is proposed to solve the linear programming problem. this algorithm is proposed on the basis of the thought as follovvs : as for three dimensional euclid space, the feasible region of any linear programming problem is a extended convex polyhedron, of which surface is consisted of some planes, and its objective function can be regarded as a parallel plane pencil with objective function value acting as parameter

    第一部分內容是在n維歐氏空間理論的基礎上提出了一種求解線性規劃問題的新演算法? 「點線面」循環尋優法，本演算法是基於如下思想提出來的：我們知道，在三維歐氏空間中，線性規劃問題的可行域是一個由若干個平面圍成的廣義多面體，目標函數可以看作是以目標函數值為參變量的一個平行平面束。
  7. Research on collision detection algorithm between convex polyhedron based on genetic algorithm

    基於遺傳演算法的凸多面體間碰撞檢測演算法研究
  8. 4, the optimal guaranteed control problem for a class of linear tune - delay systems with convex polyhedron uncertain parameters is considered. a state feedback controller designing method is given in terms of linear matrix inequalities

    4 、針對一類具有凸多面體形式的不確定參數模型的時滯系統，研究了其保成本控制問題並得到相應控制器設計方法。
  9. ( 3 ) investigate the method of optimizing meshes by which two dimension finite element grids of meso - scale can be improved. ( 4 ) the three dimension parallel numerical computation of the wet - sieved concrete specimen was executed successfully to verify the program of random convex polyhedron aggregate

    （ 3 ）研究了二維細觀骨料模型有限元網格的優化方法並編制了相應有限元網格剖分程序，為三維細觀骨料模型有限元網格優化打下了基礎。
  10. Concerning the time delay systems with norm - bounded uncertainties or convex polyhedron uncertainties, the problems of robust stability criteria, the design methods of robust stabilizing controller and the design of controller that guarantee certain robust performance by state feedback or output feedback are investigated. the results can be classified as delay - independent and delay - dependent

    針對具有范數有界不確定參數或凸多面體不確定參數的不確定時滯系統，採用狀態反饋控制器或者輸出反饋控制器，研究其魯棒穩定性分析、魯棒鎮定控制器設計以及具有魯棒性能約束的控制器設計問題，得到相應時滯無關或者時滯依賴結果。
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