The elastic enterprice

PHÂN TÍCH đáp ỨNG ĐỘNG học của ỐNG đặt TRÊN nền đàn hồi CHỊU tải TRỌNG SÓNG XUNG KÍCH ANALYSIC DYNAMIC RESPONSE OF TUBE PUTTING ON THE ELASTIC FOUNDATION UNDER SHOCKWAVE LOAD

PHÂN TÍCH đáp ỨNG ĐỘNG học của ỐNG đặt TRÊN nền đàn hồi CHỊU tải TRỌNG SÓNG XUNG KÍCH ANALYSIC DYNAMIC RESPONSE OF TUBE PUTTING ON THE ELASTIC FOUNDATION UNDER SHOCKWAVE LOAD
... thi công ống dẫn nền) , vị trí ống chịu tải trọng phức tạp Trong báo này, tác giả nghiên cứu, phân tích đáp ứng động học ống đặt đàn hồi chịu tải trọng sóng xung kích; trình bày mô hình học, phương ... tác ống đàn hồi chịu tác dụng tải trọng sóng xung kích gây ra, với hai trường hợp áp suất ống p =0 p = 5N/cm2 Thông số ống: đường kính d = 2m, đường kính D = 2,2m, ống nằm độ sâu 4m, vật liệu ống ... dụng sóng xung kích tác dụng bề mặt Giả thiết ống kết cấu đàn hồi, biến dạng tuyến tính Mỗi lớp vật liệu đồng nhất, đẳng hướng, đàn hồi tuyến tính Ống đàn hồi làm việc điều kiện biến dạng phẳng Nền...
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Báo cáo nghiên cứu khoa học: "COMPUTE AND DEFINE EXACTLY THE REGION OF ELASTIC REACTION FORCE FOR CALCULATING THE SECTION FORCE OF UNDERGROUND CONSTRUCTION BY FINITE ELEMENT METHOD" pptx

Báo cáo nghiên cứu khoa học:
... DEFINE THE REGION OF ELASTIC REACTION FORCE OF UNDERGROUND STRUCTURE 6.1 .The receiving result of mesh 40 element : 30 elements beam on the elastic foundation, 10 elements of normal 6.2 .The receiving ... to the converge value around the acceptable region for standard calculation ϕ = π Therefore, with the experiment formula, we have the experience value of the effected region by the elastic reaction ... 3.1 .The effective of elastic reaction force of ground foundation The elastic resistance force arisen at surface of tunnel shell structure by arch or circular shape, except the “ peel region , the...
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báo cáo khoa học:" Applied mechanics of the Puricelli osteotomy: a linear elastic analysis with the finite element method" doc

báo cáo khoa học:
... mechanical assay, validated by a finite element numerical model); The finite element analysis method has been used in the last decades for study of biological structures such as bone In these cases, ... resistance arm of the mandible, seen as an interpotent lever of the third gender Currently, many of the models investigated by engineers and researchers in the area of solids mechanics are approached ... Group I was cut with a carburundum disk, as in the original Obwegeser-Dal Pont technique for sagittal osteotomy of the mandibular ramus One of the splits was perpendicular to the mandibular ramus...
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Báo cáo y học: " Vitamin A deficiency alters the pulmonary parenchymal elastic modulus and elastic fiber concentration in rats" pptx

Báo cáo y học:
... disarrayed and are abnormally connected, and the remaining alveolar walls and ducts are stretched by dilation The elastic modulus of the lung parenchyma may also be altered in VAD rats, which have ... after the major peak of pulmonary elastin synthesis has occurred, is accompanied by a decrease in lung parenchymal elastin The loss of elastin in VAD was manifest as a decrease in the alveolar ... 9C The airway contraction index was decreased in VAD rats The airway contraction index is a morphometric assessment of reduction in airway caliber and compares the actual area internal to the...
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Báo cáo y học: " The velocity of the arterial pulse wave: a viscous-fluid shock wave in an elastic tube" pot

Báo cáo y học:
... Matsuoka O, Otsuka K, Murakami S, Hotta N, Yamanaka G, Kubo Y, Yamanaka T, Shinagawa M, Nunoda S, Nishimura Y, Shibata K, Saitoh H, Nishinaga M, Ishine M, Wada T, Okumiya K, Matsubayashi K, Yano ... explanation The link between an increase in the PWV and increased risk of myocardial infarction [7] may be due, at least in part, to myocardial ischemia 15 Stein S, Okal EA: Seismology: speed and ... that the PWV can increase in small arteries if the parameter a decreases The parameter a describes the rate of increase in pressure during the initial rise as the pulse wave approaches a point...
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Design of efficient and elastic storage in the cloud

Design of efficient and elastic storage in the cloud
... this thesis to them iv v Design of Efficient and Elastic Storage in the Cloud by Vo Hoang Tam Submitted to the School of Computing in partial fulfillment of the requirements for the degree of Doctor ... between the two Distributed Indexing – the design of a comprehensive and efficient framework for providing DBMS-like indexes in the cloud In this thesis, we mainly describe the design and implementation ... without knowing the structure of the underlying network The indexing framework is also designed to ensure the efficiency of hopping between cluster nodes during index traversal, and reduce the maintenance...
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A new singular s FEM for the linear elastic fracture mechanics

A new singular s FEM for the linear elastic fracture mechanics
... linear elastic fracture mechanics (LEFM)” which was developed on the basis of linear elastic theory and “plastic fracture mechanics which was established by taking the crack-tip plastic deformation ... nodal points and stresses and strains to Gaussian integration points Stress fields are generally discontinuous over element boundaries and extrapolation of stresses to nodes requires additional ... propose a model for the failure of brittle materials, justifying singular behavior of analytical stress around the crack tip A modified form of the Griffith s approach for the linear elastic fracture...
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Development of a new elastic path controller for the collaborative wheelchair assistant

Development of a new elastic path controller for the collaborative wheelchair assistant
... providing a guide path and that the driving performance of the elastic mode NATIONAL UNIVERSITY OF SINGAPORE SINGAPORE SUMMARY viii is comparable to that of the constrained mode The drawback of the ... Research Objectives The primary objective of the present study was to develop a new Elastic Path Controller for the Collaborative Wheelchair Assistant, to handle the singularity issues, and to make ... approaches, and (2) path control approaches for robotic wheelchairs 2.1 Path planning approaches Given the geometry information of the robot and environmental obstacles, the task of robot path planning...
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A numerical study on the deformation of liquid filled capsules with elastic membranes in simple shear flow

A numerical study on the deformation of liquid filled capsules with elastic membranes in simple shear flow
... spheroidal capsules with various membrane laws under shear flow The transient deformation of capsules with initially biconcave disk shape was also simulated The unsteady tank treading motion was followed ... the membrane, the capsule undergoes periodic shape deformation and inclination oscillation; the inclination oscillation amplitude increases as the shear rate decreases Similar motion has also been ... liquid- filled capsules with elastic membranes in shear flow under a broad range of shear rates For the first time, the shear rate induced transition of a capsule’s motion from tank-treading mode...
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Characterization of the mechanical properties of visco elastic and visco elastic plastic materials by nanoindentation tests

Characterization of the mechanical properties of visco elastic and visco elastic plastic materials by nanoindentation tests
... References 187 VII Summary The feasibility and efficiency of characterizing the mechanical properties of viscoelastic and visco- elastic- plastic materials and their thin films by using nanoindentation techniques ... with the elastic and plastic properties, the visco- elastic and visco- elastic- plastic properties are more difficult to characterize by nanoindentation techniques due to the complexity of the constitutive ... mechanical properties of visco- elastic and visco- elastic- plastic materials and their thin films with nanoindentation techniques Two typical groups of visco- elastic- (plastic) materials and structures,...
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ESTIMATION AND COMPUTATIONAL SIMULATION FOR THE EFFECTIVE ELASTIC MODULI OF MULTICOMPONENT MATERIALS

ESTIMATION AND COMPUTATIONAL SIMULATION FOR THE EFFECTIVE ELASTIC MODULI OF MULTICOMPONENT MATERIALS
... often have only limited information about the structure of the composites The objective of the thesis Construction of bounds on the elastic moduli of isotropic multicomponent materials which involve ... PERIODIC MULTICOMPONENT MATERIALS This chapter describes homogeneous theory for periodic materials with and the assumptions for the application of the FEM which runs on the open source code of the ... confirming the reliability of the method The drawback of the method is calculated primarily for periodic materials For materials with randomly arranged forms such as random spheres mentioned in the...
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ESTIMATION AND COMPUTATIONAL SIMULATION FOR THE EFFECTIVE ELASTIC MODULI OF MULTICOMPONENT MATERIALS

ESTIMATION AND COMPUTATIONAL SIMULATION FOR THE EFFECTIVE ELASTIC MODULI OF MULTICOMPONENT MATERIALS
... often have only limited information about the structure of the composites The objective of the thesis Construction of bounds on the elastic moduli of isotropic multicomponent materials which involve ... PERIODIC MULTICOMPONENT MATERIALS This chapter describes homogeneous theory for periodic materials with and the assumptions for the application of the FEM which runs on the open source code of the ... confirming the reliability of the method The drawback of the method is calculated primarily for periodic materials For materials with randomly arranged forms such as random spheres mentioned in the...
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