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  • boundary element method  (3)
  • human  (2)
  • Springer  (5)
  • 1990-1994  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Some applications of boundary element methods, boundary element-finite element coupling techniques in elasto-plastic stress analysis (1990)
    Springer
    Acta mechanica solida Sinica 3 (1990), S. 327-340 
    Details
    ISSN: 0894-9166
    Keywords: boundary element method ; elasticity ; elasto-plasticity ; BE-FE coupling technique ; error estimation of BE solution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract In this paper some research works of author's group on boundary element method for linear elastic and elasto-plastic problems are briefly summarized. The BE subrogions method and BE-FE coupling techniques are introduced, and some idea of the error estimation of BE solutions is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02206402
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A numerical method for Cauchy principal value of singular integral under parametric transformation in BEM (1991)
    Springer
    Acta mechanica solida Sinica 4 (1991), S. 39-47 
    Details
    ISSN: 0894-9166
    Keywords: singular integral ; boundary element method ; isoparametric element ; finite part of singular integration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A numerical method for the Cauchy principal value of the singular integral in BEM is developed using the concept of finite part integration under integral variable transformation. It is applied to the numerical integration on isoparametric element successfully, as shown in the examples in this paper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02208109
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  • 3
    Electronic Resource
    Electronic Resource
    Application of an improved boundary element method on the problem of elastic torsion (1992)
    Springer
    Applied mathematics and mechanics 13 (1992), S. 643-648 
    Details
    ISSN: 1573-2754
    Keywords: clastic torsion ; Poisson equation ; boundary element method ; improved boundary element method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Mathematics , Physics
    Notes: Abstract An improved boundary element method has been used in analyzing and calculating the problems of the torsion of a prismatic bar with elliptical cross-section. In this paper the calculated results correspond with the values of boundary element method. However, the quantity of data required by the improved boundary element method is much less than that required by boundary element method, and the calculating time will be greatly reduced. Therefore, the procedure of this paper is an economical and efficient numerical computational way for solving Poisson equation problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02456088
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  • 4
    Electronic Resource
    Electronic Resource
    Comparative toxicity of fostriecin, hepsulfam and pyrazine diazohydroxide to human and murine hematopoietic progenitor cells in vitro (1991)
    Springer
    Investigational new drugs 9 (1991), S. 149-157 
    Details
    ISSN: 1573-0646
    Keywords: Fostriecin ; Hepsulfam ; PZDT ; hematopoietic progenitors ; human ; murine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The in vitro myelotoxic potentials of three investigational antitumor agents, Fostriecin, Hepsulfam and pyrazine diazohydroxide (PZDH), were evaluated utilizing clonogenic assays. Human and murine marrow cells were exposed to each drug for 1 hr prior to culture in microcapillary (human) or Petri dish (murine) assays. Fostriecin (0.22–220 μM), Hepsulfam (0.34–340 μM) and PZDH (0.68–680 μM) inhibited myeloid (CFU-gm), erythroid (BFU-e, CFU-e) and megakaryocytic (CFU-meg) colony formation in a concentration-dependent manner. CFU-e from both species were more sensitive to Fostriecin than the other progenitors and murine cells more sensitive overall to Fostriecin than their human counterparts. Murine CFU-e were also more sensitive to Hepsulfam than human CFU-e, with CFU-gm and BFU-e being similarly affected in both species. Human BFU-e were greatly inhibited by PZDH, whereas murine BFU-e were relatively resistant to its toxic effects. Fostriecin was the most toxic of the three antitumor agents, with PZDH the least toxic.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00175082
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  • 5
    Electronic Resource
    Electronic Resource
    Comparativein vitro myelotoxicity of FCE 24517, a distamycin derivative, to human, canine and murine hematopoietic progenitor cells (1992)
    Springer
    Investigational new drugs 10 (1992), S. 255-261 
    Details
    ISSN: 1573-0646
    Keywords: FCE 24517 ; myelotoxicity ; in vitro ; human ; canine ; murine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary FCE 24517, a derivative of distamycin A, exhibits an unusual antitumor profile in experimental models. As part of its preclinical development, we evaluated thein vitro myelotoxicity of FCE 24517 to human, canine and murine hematopoietic cells. Marrow cells were exposed to the agent (2.7×10−5−2.7 nM) for 4 h and then assayed in capillary (human) or Petri dish (canine, murine) clonal cultures. FCE 24517 inhibited myeloid (CFU-gm), erythroid (BFU-e, CFU-e) and megakaryocytic (CFU-meg) colony formation in a concentration-dependent manner. The progenitor cells were generally similar in their response to FCE 24517 within a species. Comparing the different progenitor cell response to FCE 24517, canine CFU-gm and CFU-e were 26- to 221-fold more sensitive to this drug's toxic effects than their human and murine counterparts. This was demonstrated by extremely low IC70 values for the canine CFU-gm (0.001 nM) and CFU-e (0.007 nM). Murine progenitors displayed 1.3- to 10.9-times higher IC70 values than human CFU-gm, BFU-e and CFU-e following 4 hr exposure to FCE 24517. The data demonstrated that a mouse model may better predict humanin vitro myelotoxicity to FCE 24517 than beagle dogs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00944178
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