Search Results - "Fernandez de Bustos, Igor"

A new overhang constraint for topology optimization of self-supporting structures in additive manufacturing by Garaigordobil, Alain, Ansola, Rubén, Santamaría, Javier, Fernández de Bustos, Igor

“…This work falls within the scope of computer-aided optimal design, and aims to integrate the topology optimization procedures and recent additive manufacturing…”
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On preventing the dripping effect of overhang constraints in topology optimization for additive manufacturing by Garaigordobil, Alain, Ansola, Rubén, Fernandez de Bustos, Igor

“…This article falls within the scope of topology optimization for Additive Manufacturing processes and proposes an alternative strategy to prevent the…”
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A non-damped stabilization algorithm for multibody dynamics by Fernández de Bustos, Igor, Uriarte, Haritz, Urkullu, Gorka, García-Marina, Vanessa

“…The stability of integrators dealing with high order Differential Algebraic Equations (DAEs) is a major issue. The usual procedures give rise to instabilities…”
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A Family of Conditionally Explicit Methods for Second-Order ODEs and DAEs: Application in Multibody Dynamics by Fernández de Bustos, Igor, Uriarte, Haritz, Urkullu, Gorka, Coria, Ibai

“…There are several common procedures used to numerically integrate second-order ordinary differential equations. The most common one is to reduce the equation’s…”
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A new finite element approach for the analysis of slewing bearings in wind turbine generators using superelement techniques by Plaza, Jon, Abasolo, Mikel, Coria, Ibai, Aguirrebeitia, Josu, de Bustos, Igor Fernández

“…Several analytical models have been proposed to estimate the load distribution and the deformation of slewing bearing assemblies in wind turbine generators…”
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General static load-carrying capacity for the design and selection of four contact point slewing bearings: Finite element calculations and theoretical model validation by Aguirrebeitia, Josu, Abasolo, Mikel, Avilés, Rafael, Fernández de Bustos, Igor

“…In previous publication, the authors developed a theoretical model to evaluate the static load capacity of four contact point slewing bearings. The method…”
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An efficient algorithm for the minimal least squares solution of linear systems with indefinite symmetric matrices by Coria, Ibai, Urkullu, Gorka, Uriarte, Haritz, de Bustos, Igor Fernández

“…In this work, a new algorithm for solving symmetric indefinite systems of linear equations is presented. It factorizes the matrix into the form LDLt using…”
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Optimum synthesis of planar linkages using a strain–energy error function under geometric constraints by Avilés, Rafael, Vallejo, Javier, de Bustos, Igor Fernández, Aguirrebeitia, Josu, Ajuria, Goizalde

“…This paper presents an improved approach to the optimum dimensional synthesis of planar linkages based on an elastic strain–energy error function, according to…”
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Optimization of linkages for generalized rigid-body guidance synthesis based on finite element models by Avilés, Rafael, Vallejo, Javier, Aguirrebeitia, Josu, Fernández de Bustos, Igor, Ajuria, Goizalde

“…This paper presents a method for the generalized rigid-body guidance dimensional synthesis of planar linkages. The error function is based on the elastic…”
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Direct integration of the equations of multibody dynamics using central differences and linearization by Urkullu, Gorka, de Bustos, Igor Fernández, García-Marina, Vanessa, Uriarte, Haritz

“…•The dynamic equations of the multibody system are obtained by the Newton–Euler equations.•The equilibrium equations are iteratively solved applying a Newton…”
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Theoretical calculation of general static load-carrying capacity for the design and selection of three row roller slewing bearings by Aguirrebeitia, Josu, Abasolo, Mikel, Avilés, Rafael, Fernández de Bustos, Igor

“…This paper presents the derivation of the general static load-carrying capacity of three row roller slewing bearings under axial load and tilting-moment. This…”
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Second order mobility analysis of mechanisms using closure equations by Fernández de Bustos, Igor, Aguirrebeitia, Josu, Avilés, Rafael, Ansola, Rubén

“…This paper presents a general method for the second order local mobility analysis of kinematical chains using closure equations. As it is known, one can obtain…”
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A non-damped stabilization algorithm for multibody dynamics by de Bustos, Igor Fernandez, Uriarte, Haritz, Urkullu, Gorka, Garcia-Marina, Vanessa

“…Meccanica (2022) 57:371-399 The stability of integrators dealing with high order Differential Algebraic Equations (DAEs) is a major issue. The usual procedures…”
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Simultaneous measurement of forces and machine tool position for diagnostic of machining tests by de Lacalle, L.N.L., Lamikiz, A., Sanchez, J.A., de Bustos, I.F.

“…A diagnostic system of the milling process through the cutting forces and cutting tool position (coordinates X, Y, and Z) simultaneously collected is detailed…”
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