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1989 Vol. 19, No. 4

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GRAIN BOUNDARY STRUCTURE AND ITS EFFECT ON MECHANICAL PROPERTIES OF POLYCRYSTALLINE MATERIALS (Ⅰ)
1989, 19(4): 433-441. doi: 10.6052/1000-0992-1989-4-J1989-051
Abstract(2831) PDF(1111)
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FLUID MECHANICS IN CRYSTAL GROWTH PROBLEMS
1989, 19(4): 442-453. doi: 10.6052/1000-0992-1989-4-J1989-052
Abstract(2580) PDF(819)
Abstract:
Fluid mechanics bears a close relation to the crystal growth. The transport processes and flow instabilities in the fluid phase during the growth of crystals have a profound influence on the structure and quality of the crystals. In this paper some aspects of hydrodynamics related to the crystal growth are reviewed. The basic methods of the crystal growth are first briefly described. The various flow phenomena during the growth of crystals and their relevance to the crystal defects are then considered. Seve...
ADVANCES IN ANALYSIS OF COLLISION AND DAMAGE OF OFFSHORE PLATFORM
1989, 19(4): 454-463. doi: 10.6052/1000-0992-1989-4-J1989-053
Abstract(2183) PDF(708)
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This paper reviews the analysis of collision and damage of offshore platform in great details. A general description of the collision mechanisms is given and various methods available for analyzing the collision and damage problem are discussed. Models of energy absorption of steel platforms are identified and compared.
MAIN TOPICS OF DYNAMICS OF FLEXIBLE SYSTEM
1989, 19(4): 464-476. doi: 10.6052/1000-0992-1989-4-J1989-054
Abstract(1531) PDF(762)
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Research results of multi-rigidbody system are briefly summarized, and the mechanical model of flexible system and main topics in this field are introduced
WIDE BAND RANDOM VIBRATION OF STRUCTURES
1989, 19(4): 477-484. doi: 10.6052/1000-0992-1989-4-J1989-055
Abstract(2754) PDF(687)
Abstract:
Wide band random vibration of structures is an interesting area in the theory of random vibration in which the number of responding modes is so large that some asymptotic behaviour may be observed. The present paper is a survey of the concepts and methods in this area. The emphasis is placed on the pattern of asymptotic spatial distrbutions of mean-square response of uniformly symmetric structures with light damping excited by stationary wide band random force applied at isolated points.
FOUNDATION AND DEVELOPMENT OF THE SOIL PLASTICITY
1989, 19(4): 485-496. doi: 10.6052/1000-0992-1989-4-J1989-056
Abstract(2199) PDF(641)
Abstract:
The soil plasticity is a new discipline which applies the modern plasticity theory to the soil mechanics. This paper reviews its taking shape and rapid development over the last three decades of the foil plasticity and gives an introduction to its salient features.
NEW DEVELOPMENT IN CLASSICAL THEORY OF CONICAL SHELLS
1989, 19(4): 497-519. doi: 10.6052/1000-0992-1989-4-J1989-057
Abstract(1903) PDF(734)
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This paper reviews studies on conical shells, especially those recently completed by our scholars.
SOME PROBLEMS IN RESEARCH ON RHEOLOGY
1989, 19(4): 508-514. doi: 10.6052/1000-0992-1989-4-J1989-058
Abstract(2117) PDF(775)
Abstract:
We attended the 10th International Congress on Rheoiogy at Sydney, Australia, 14-19 August 1988, In the present article the invited lectures are briefly described, which cover the following areas. (a) molecular dynamics, (b) optical rheometry, (c) dynamic mcasurmenls of blood, (d) numerical simulations, (c) drilling well, (f) enhanced oil recovery, (g) drag reduction, (h) extrude, (i) food rheology.
EVALUATION OF MECHANICAL BEHAVIOUR AND APPLICATION OF BAMBOO REINFORCED PLASTIC COMPOSITES
1989, 19(4): 515-574. doi: 10.6052/1000-0992-1989-4-J1989-059
Abstract(1695) PDF(634)
Abstract:
This paper summarizes the work on a number of bamboo reinforced plastic composite materials (BRPs) developed by the authors. Their (BRPs) mechanical characteristics as well as microstructure were investigated. The exp-perimental evaluation shows that BRPs possess favorable properties. The effects of bamboo species, scale of reinforcement, constituent of matrix and processing condition on mechanical properties of BRPs are obvious. The reinforcing mechanism of bamboo/plastic is discussed. Bamboo/plastic is a ...
1989, 19(4): 520-530. doi: 10.6052/1000-0992-1989-4-J1989-060
Abstract(1219) PDF(620)
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1989, 19(4): 531-548. doi: 10.6052/1000-0992-1989-4-J1989-061
Abstract(1303) PDF(740)
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1989, 19(4): 549-558. doi: 10.6052/1000-0992-1989-4-J1989-062
Abstract(1031) PDF(699)
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1989, 19(4): 559-565. doi: 10.6052/1000-0992-1989-4-J1989-063
Abstract(1342) PDF(756)
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1989, 19(4): 566-571. doi: 10.6052/1000-0992-1989-4-J1989-064
Abstract(1611) PDF(565)
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1989, 19(4): 572-572. doi: 10.6052/1000-0992-1989-4-J1989-065
Abstract(1147) PDF(604)
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