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Αποτελέσματα 14820-14839 από 49724
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Parameter effects and process modeling of FFF-TPU mechanical response
(2021)Fused Filament Fabrication (FFF) process employs thermoplastic materials in filaments form to build functional components by selectively placing extruded material progressively in thin sheets. Thermoplastic Polyurethane ... -
Parameter effects and process modelling of Polyamide 12 3D-printed parts strength and toughness
(2022)Polyamide 12 (PA12) is a high-performance polymeric material adopted by various industries for its thermal, electrical, and mechanical properties. In this work, a comprehensive examination of the impact of three 3D printing ... -
Parameter optimization during finish end milling of Al alloy 5083 using robust design
(2011)The influence of cutter geometry and cutting parameters during end milling on the surface texture of aluminium (Al) alloy 5083 was experimentally investigated. Eighteen pockets were manufactured having different combination ... -
Parameters affecting response and design of steel moment frame reduced beam section connections: An overview
(2011)The most crucial parameters that affect the response as well as the design of Steel Moment Frame (SMF) Reduced Beam Section (RBS) connections are discussed. After a brief historical background concerning the development ... -
Parameters Affecting Slip Length at the Nanoscale
(2013)We investigate liquid flows in various nanochannels and present the effect of all physical parameters affecting slip length at the boundary using molecular dynamics simulations. Our computational model shows that slip ... -
Parametric analysis of axially loaded RHS gap K-joints by means of 2-D and 3-D F.E. models
(2003)In the present paper the behaviour of steel structural RHS gap K-joints under static loading is studied by applying the Finite Element Method. The analysis is performed by the development of both 2-D and 3-D models of gap ... -
Parametric identification and fault detection in vehicle models with nonlinear suspension
(2001)Systematic methodologies are applied for performing parametric identification and fault detection in nonlinear vehicle systems. The dynamic response of the vehicle models examined is caused by road excitation. In these ... -
Parametric investigation of lateral spreading of gently sloping liquefied ground
(2010)This paper investigates the main parameters affecting the anticipated maximum surface displacements due to earthquake-induced lateral spreading of mildly sloping ground. The main tool used for this purpose is a numerical ... -
Parametric optimization of material extrusion 3D printing process: an assessment of Box-Behnken vs. full-factorial experimental approach
(2022)This work investigates the efficiency of the Box-Behnken design (BBD) in contrast with the full-factorial design (FFD) in ultimate tensile strength (UTS) of PA12 material extrusion 3D printing (ME-3DP) specimens. Three ... -
Parametric stability and dynamic buckling of an encapsulated microbubble subject to acoustic disturbances
(2011)Stability analysis of the radial pulsations of a gas microbubble that is encapsulated by a thin viscoelastic shell and surrounded by an ideal incompressible liquid is carried out. Small axisymmetric disturbances in the ... -
A parametric study of a solar calcinator using computational fluid dynamics
(2007)In this work a horizontal rotating solar calcinator is studied numerically using computational fluid dynamics. The specific solar reactor is a 10 kW model designed and used for efficiency studies. The numerical model is ... -
A parametric study of the aeroelastic behaviour of wind turbine blades in classical flutter
(2006)A parametric study of the aeroelastic behaviour of a wind turbine blade 'typical section' in classical flutter is presented, using a new numerical model. The aerodynamic loads are computed by solving the RANS equations ... -
Parametrization of reduced-order models based on global interface reduction
(2019)An interpolation scheme for approximating the interface modes in terms of the model parameters is presented in this chapter. The approximation scheme involves a set of support points in the model parameters space and a ... -
Parametrization of reduced-order models based on normal modes
(2019)This chapter deals with the parametrization of reduced-order models based on dominant and residual fixed-interface normal modes, in terms of model parameters. The division of the original structure is guided by a parametrization ... -
Paraneoplastic exfoliative erythroderma in a cat with thymoma
(2011)A 14-year-old domestic shorthair cat was admitted with a 2-month history of excessive body weight loss and generalized exfoliative dermatitis with erythroderma. Radiographic and ultrasonographic examination revealed a ... -
Paraoxonase 1 gene polymorphisms in patients with osteonecrosis of the femoral head with and without cerebral white matter lesions
(2007)Cerebral white matter lesions (WML) are present in more than 50% of patients with osteonecrosis of the femoral head (ONFH). Paraoxonase 1(PON1) gene product is a detoxifying and pesticide metabolizing enzyme. Genetic ...