Search Results - "Laier, José"
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1
Spectral analysis of a high-order Hermitian algorithm for structural dynamics
Published in Applied mathematical modelling (01-02-2011)“…The spectral analysis of an efficient step-by-step direct integration algorithm for the structural dynamic equation is presented. The proposed algorithm is…”
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2
An improved continuous medium technique for three-dimensional analysis of tall building structures
Published in Structural engineering and mechanics (10-10-2021)“…This paper presents a three-dimensional analysis of tall building structures using an improved continuous medium technique model in which consistent global…”
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3
Dispersion, spurious reflections and spurious bifurcations of flexural waves
Published in Wave motion (01-01-2021)“…This paper investigates the wave propagation dispersion, spurious reflection and spurious bifurcation of flexural waves that occur in the numerical integration…”
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4
Mass lumping, dispersive properties and bifurcation of Timoshenko’s flexural waves
Published in Advances in engineering software (1992) (01-08-2007)“…The objective of this paper is to present an improved lumped mass model to solve Timoshenko’s flexural wave equation. The dispersive properties of finite…”
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FINITE ELEMENT SOLUTION OF WAVE EQUATION WITH REDUCTION OF THE VELOCITY DISPERSION AND SPURIOUS REFLECTION
Published in Latin American journal of solids and structures (01-01-2020)“…ABSTRACT The objective of this paper is to present a finite element solution for the wave propagation problems with a reduction of the velocity dispersion and…”
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6
Operational modal analysis using SVD of power spectral density transmissibility matrices
Published in Mechanical systems and signal processing (03-05-2014)“…This paper proposes the singular value decomposition of power spectrum density transmissibility matrices with different references, (PSDTM-SVD), as an…”
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7
Enhanced Power Spectral Density Transmissibility Matrix for Operational Modal Analysis of Structures
Published in Journal of structural engineering (New York, N.Y.) (01-06-2019)“…AbstractThe approach for identifying modal parameters of a structure from power spectral density transmissibility matrices, called the PSDTM-SVD method, is…”
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8
Assessing the performance of a differential evolution algorithm in structural damage detection by varying the objective function
Published in Dyna (Medellín, Colombia) (01-12-2014)“…Structural damage detection has become an important research topic in certain segments of the engineering community. These methodologies occasionally formulate…”
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Deteccion daño estructural empleando el vector de fuerza residual modificado y el algoritmo Simulated Annealing
Published in Revista ingenierías (Medellín, Colombia) (01-01-2010)“…En este trabajo, el algoritmo Simulated Annealing (SA) es empleado para solucionar el problema inverso de detección de daño en vigas usando información modal…”
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10
An improved continuous medium technique for structural frame analysis
Published in The structural design of tall and special buildings (01-03-2008)“…This paper presents an improved constitutive equation of frame in the context of continuous medium technique. This improved constitutive equation, which is a…”
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11
Damage detection in beams by using artificial neural networks and dynamical parameters
Published in Revista Facultad de Ingeniería (01-06-2012)“…In this paper is presented a multilayer perceptron neural network combined with the Nelder-Mead Simplex method to detect damage in multiple support beams. The…”
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12
Detección de daño en vigas utilizando redes neuronales artificiales y parámetros dinámicos
Published in Revista Facultad de Ingeniería (01-06-2012)“…En este trabajo se presenta una red neuronal perceptron multicapa combinada con el método Nelder-Mead Simplex para detectar daño en vigas. Los parámetros de…”
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13
Dispersion and spurious reflections of viscoelastic wave
Published 02-06-2020“…This article investigates the velocity dispersion and the spurious reflection of the viscoelastic wave that occur in the numerical integration of the…”
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14
Asymptotic annihilation hermitian algorithm for integration in time
Published in Computers & structures (30-07-2000)“…A higher order hermitian finite difference algorithm for step-by-step integration in time possessing asymptotic annihilation attribute is presented. Particular…”
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15
Operational modal analysis approach based on multivariable transmissibility with different transferring outputs
Published in Journal of sound and vibration (01-09-2015)“…In recent years, transmissibility functions have been used as alternatives to identify the modal parameters of structures under operating conditions. The…”
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Detección daño estructural empleando el vector de fuerza residual modificado y el algoritmo Simulated Annealing (SA) Damage Detection Using the Modified Residual Force Vector and the Simulated Annealing Algorithm (SA)
Published in Revista ingenierías (Medellín, Colombia) (01-01-2010)“…En este trabajo, el algoritmo Simulated Annealing (SA) es empleado para solucionar el problema inverso de detección de daño en vigas usando información modal…”
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17
Dispersive and spurious reflections of Timoshenko's flexural waves in numerical simulations
Published in Advances in engineering software (1992) (10-07-2002)“…This paper analyses the dispersive properties of finite element solution by using semi-discretizations of Timoshenko's flexural wave equation, as well as…”
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18
Assessing the performance of a differential evolution algorithm in structural damage detection by varying the objective function
Published in Dyna (Medellín, Colombia) (01-01-2014)“…Detección de daño estructural es actualmente un importante tema de investigación para diferentes comunidades en ingeniería. Al gunas de las metodologías de…”
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19
Hermitian lumped mass matrix formulation for flexural wave propagation
Published in Communications in numerical methods in engineering (01-01-1998)“…Hermitian finite difference operators are employed to formulate a new diagonal mass matrix for solving flexural wave propagation problems. The dynamic…”
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