工廠管道支吊架CAD軟件的研究與實現(xiàn).pdf

1、中國科學院計算技術研究所碩士學位論文工廠管道支吊架CAD軟件的研究與實現(xiàn)姓名：閆超申請學位級別：碩士專業(yè)：計算機應用指導教師：何濤20060601AbstradTheResearchandImplementationofPipeSupportCADSoftwareinPlantDesignYahChao(ComputerApplicationTechnology)DirectedByHeTaoPipeSupportdesignisall

2、importantpartofplantdesignInplantdesignwithlargenumberofcomplicatedpipes，pipesupportdesignisalwaysthemosttimeconsumingpartwhichaffectsthewholeprocessofplantdesignPipesupportCADsoftwarecangreatlyimprovetheefficiencyandqua

3、lityofpipesupportdesignthenreducethecycleofplantdesignandavoidmistakesFirstofaUthisthesisanalyzesthedemandofpipesupportCADsystemandtheshortcomingsofcurrentpipesupportCADsoftwareBasedonthestructuremodelofthesystemwepropos

4、e，westudythekeytechnologiesinpipesupportdesignsuchasdatamanagementconstraintrepresentationandsolutiongeometrymodelingThesecontentsareclassifiedasfollows：l、FirstweanalyzethecurrentstatusofpipesupportCADsoftware，thensummar

5、izethefunctionaldemandofpipesupportCADsoftwareandalsopresentthekeytechnologiespipesupportCADsystemdesignBasedonthis，theemphasesoftliiSthesisaredetermined2、AccordingtothecharacteristicsanddemandofpipesupportCADsystem，wepr

6、oposethewholehierarchymodelbasedonC／SofthesystemandthegeneralstructuremodelofthesystemaimingatfunctionrealizationThesemodelssupportthecooperationinpipesupportCADsystemefficiently3、Afteranalyzingthecharacteristicsofpipesu

7、pportdataweproposeanDBMSarchitecturebasedonpageServerAlso，objectrelationdatamodelisadoptedinthesystemThesemethodsprovidebasisforthecooperationmechanismbasedondatashare4、Basedontheanalysisonthecharacteristicsoftheto109ica

8、lstructureofpipesupportweproposealldescriptionmethodofthissRuctureHierarchybasedgraphareusedtepresenttheconstraintmodelofpipesupportAndlocalconstraintpropagationmethodsareadoptedtosolvetheconstraintsBythesemethodswecanfu