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This book focuses on the geometry creation techniques for use in finite element analysis. Examples are provided as a sequence of fin designs with progressively increasing complexity. A fin was selected as it is a feature widely employed for thermal management. As the content progresses, the reader learns to create or import a geometry into a FEM tool using COMSOL Multiphysics^® . The fundamentals may also be applied to other commercial packages such as ANSYS^® or Abaqus ^TM . The content can be utilised in a variety of engineering disciplines including mechanical, aerospace, biomedical, chemical, civil, and electrical. The book provides an overview of the tools available to create and interact with the geometry. It also takes a broader look on the world of geometry, showing how geometry is a fundamental part of nature and how it is interconnected with the world around us. Features: Includes example models that enable the reader to implement conceptual material in practical scenarios with broad industrial applications Provides geometry modeling examples created with built in features of COMSOL Multiphysics^® v. 5.4 or imported from other dedicated CAD tools Presents meshing examples and provides practical advice on mesh generation Includes companion files with models and custom applications created with COMSOL Multiphysics^® Application Builder.

Geometry. --- Physics --- Data processing. --- COMSOL Multiphysics.

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Engineering --- Physics --- Engineering & Applied Sciences --- Applied Mathematics --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Construction --- Industrial arts --- Technology --- Data processing --- Mathematical models --- Computer simulation --- COMSOL Multiphysics.

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In nuclear fusion technology, thermal-hydraulics is a key discipline employed in the design phase of the systems and components to demonstrate performance, and to ensure the reliability and their efficient and economical operation. ITER is in charge of investigating the transients of the engineering systems; this included safety analysis. The thermal-hydraulics is required for the design and analysis of the cooling and ancillary systems such as the blanket, the divertor, the cryogenic, and the balance of plant systems, as well as the tritium carrier, extraction and recovery systems. This Special Issue collects and documents the recent scientific advancements which include, but are not limited to: thermal-hydraulic analyses of systems and components, including magneto-hydrodynamics; safety investigations of systems and components; numerical models and code development and application; codes coupling methodology; code assessment and validation, including benchmarks; experimental infrastructures design and operation; experimental campaigns and investigations; scaling issue in experiments.

Computing & information technology --- Operating systems --- packing structure --- contact force --- porosity distribution --- tritium breeder pebble bed --- breeding blanket --- discrete element method --- DEMO --- primary heat transfer system --- balance of plant --- RELAP5 --- loss of flow accident --- once through steam generators --- DEMO-EU fusion reactor --- IFMIF-DONES facility --- lithium technology --- CFD --- thermo-fluid dynamics --- lead-lithium eutectic --- In-box LOCA --- HCLL TBS --- liquid metal blanket --- MHD benchmarking --- COMSOL multiphysics --- magneto-convection --- turbulent MHD --- large eddy simulations --- magnetohydrodynamics (MHD) --- MHD pressure drop --- system codes --- liquid metal technology --- WCLL BB --- small ESS --- transient --- Apros --- Magnetohydrodynamics --- heat transfer --- WCLL --- thermal hydraulic --- WLLC blanket --- CFETR --- wakes --- open channel flow --- experimental methods --- DONES --- fusion --- liquid lithium --- LOCA --- Melcor --- numeric coupling --- liquid metal blankets --- tritium --- corrosion --- convection --- turbulence --- WCLL blanket --- DCLL blanket --- WCLL-BB --- MELCOR --- PHTS --- safety analysis --- HCPB BB --- CRAFT --- blanket and divertor --- experiment plan --- water loop design --- DEMO blanket --- first wall --- ODS steel layer --- tungsten functionally graded coating --- experimental investigation --- EU-DEMO --- helium-cooled pebble bed --- thermal storage --- indirect coupled design --- energy balance --- power conversion system --- simulation --- gyrotron resonator --- multi-physic simulation --- thermal-hydraulics --- cooling --- mini-channels --- Raschig rings --- validation --- divertor --- plasma facing components --- thermal hydraulics --- SIMMER code --- RELAP5 code --- in-box LOCA --- WCLL breeding blanket --- LIFUS5/Mod3 --- packing structure --- contact force --- porosity distribution --- tritium breeder pebble bed --- breeding blanket --- discrete element method --- DEMO --- primary heat transfer system --- balance of plant --- RELAP5 --- loss of flow accident --- once through steam generators --- DEMO-EU fusion reactor --- IFMIF-DONES facility --- lithium technology --- CFD --- thermo-fluid dynamics --- lead-lithium eutectic --- In-box LOCA --- HCLL TBS --- liquid metal blanket --- MHD benchmarking --- COMSOL multiphysics --- magneto-convection --- turbulent MHD --- large eddy simulations --- magnetohydrodynamics (MHD) --- MHD pressure drop --- system codes --- liquid metal technology --- WCLL BB --- small ESS --- transient --- Apros --- Magnetohydrodynamics --- heat transfer --- WCLL --- thermal hydraulic --- WLLC blanket --- CFETR --- wakes --- open channel flow --- experimental methods --- DONES --- fusion --- liquid lithium --- LOCA --- Melcor --- numeric coupling --- liquid metal blankets --- tritium --- corrosion --- convection --- turbulence --- WCLL blanket --- DCLL blanket --- WCLL-BB --- MELCOR --- PHTS --- safety analysis --- HCPB BB --- CRAFT --- blanket and divertor --- experiment plan --- water loop design --- DEMO blanket --- first wall --- ODS steel layer --- tungsten functionally graded coating --- experimental investigation --- EU-DEMO --- helium-cooled pebble bed --- thermal storage --- indirect coupled design --- energy balance --- power conversion system --- simulation --- gyrotron resonator --- multi-physic simulation --- thermal-hydraulics --- cooling --- mini-channels --- Raschig rings --- validation --- divertor --- plasma facing components --- thermal hydraulics --- SIMMER code --- RELAP5 code --- in-box LOCA --- WCLL breeding blanket --- LIFUS5/Mod3

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In nuclear fusion technology, thermal-hydraulics is a key discipline employed in the design phase of the systems and components to demonstrate performance, and to ensure the reliability and their efficient and economical operation. ITER is in charge of investigating the transients of the engineering systems; this included safety analysis. The thermal-hydraulics is required for the design and analysis of the cooling and ancillary systems such as the blanket, the divertor, the cryogenic, and the balance of plant systems, as well as the tritium carrier, extraction and recovery systems. This Special Issue collects and documents the recent scientific advancements which include, but are not limited to: thermal-hydraulic analyses of systems and components, including magneto-hydrodynamics; safety investigations of systems and components; numerical models and code development and application; codes coupling methodology; code assessment and validation, including benchmarks; experimental infrastructures design and operation; experimental campaigns and investigations; scaling issue in experiments.

Computing & information technology --- Operating systems --- packing structure --- contact force --- porosity distribution --- tritium breeder pebble bed --- breeding blanket --- discrete element method --- DEMO --- primary heat transfer system --- balance of plant --- RELAP5 --- loss of flow accident --- once through steam generators --- DEMO-EU fusion reactor --- IFMIF-DONES facility --- lithium technology --- CFD --- thermo-fluid dynamics --- lead-lithium eutectic --- In-box LOCA --- HCLL TBS --- liquid metal blanket --- MHD benchmarking --- COMSOL multiphysics --- magneto-convection --- turbulent MHD --- large eddy simulations --- magnetohydrodynamics (MHD) --- MHD pressure drop --- system codes --- liquid metal technology --- WCLL BB --- small ESS --- transient --- Apros --- Magnetohydrodynamics --- heat transfer --- WCLL --- thermal hydraulic --- WLLC blanket --- CFETR --- wakes --- open channel flow --- experimental methods --- DONES --- fusion --- liquid lithium --- LOCA --- Melcor --- numeric coupling --- liquid metal blankets --- tritium --- corrosion --- convection --- turbulence --- WCLL blanket --- DCLL blanket --- WCLL-BB --- MELCOR --- PHTS --- safety analysis --- HCPB BB --- CRAFT --- blanket and divertor --- experiment plan --- water loop design --- DEMO blanket --- first wall --- ODS steel layer --- tungsten functionally graded coating --- experimental investigation --- EU-DEMO --- helium-cooled pebble bed --- thermal storage --- indirect coupled design --- energy balance --- power conversion system --- simulation --- gyrotron resonator --- multi-physic simulation --- thermal-hydraulics --- cooling --- mini-channels --- Raschig rings --- validation --- divertor --- plasma facing components --- thermal hydraulics --- SIMMER code --- RELAP5 code --- in-box LOCA --- WCLL breeding blanket --- LIFUS5/Mod3