Results 11 to 20 of about 13,909,288 (337)

Evaluation and Application of Best Practice in Analytical Method Validation [PDF]

open access: yes
The coherent body of research described in the existing published work is concerned with new assay method development and validation using novel systematic approaches for pharmaceutical and diagnostic compounds.
Shabir, Ghulam
core   +6 more sources

Frame behaviour with semi-rigid connections. [PDF]

open access: yes, 1989
In this thesis both analytical and design studies have been conducted on the behaviour of fully and semi-rigidly connected multistorey steel frames.
Chikho, A.H., Chikho, Abdul Hakim
core   +6 more sources

Hybrid semi analytical method for geothermal U shaped heat exchanger

open access: yesCase Studies in Thermal Engineering, 2018
In this paper, convective-conductive heat transfer processes between the all components of geothermal borehole heat exchanger (BHE) such as pipe-in, pipe-out and grout have been studied.
P. Jalili, D.D. Ganji, S.S. Nourazar
doaj   +1 more source

Binary Gravitational Perturbations and Their Influence on the Habitability of Circumstellar Planets

open access: yesFrontiers in Astronomy and Space Sciences, 2021
In order to assess the habitability of planets in binary star systems, not only astrophysical considerations regarding stellar and atmospheric conditions are needed, but orbital dynamics and the architecture of the system also play an important role. Due
Elke Pilat-Lohinger, Ákos Bazsó
doaj   +1 more source

Semi-analytical method to study piecewise linear oscillators

open access: yesCommunications in Nonlinear Science and Numerical Simulation, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Agustín Hernández Rocha   +2 more
openaire   +5 more sources

Vibration analysis of a cylindrical rotor containing liquid with stationary circumferential flow

open access: yesMechanical Engineering Journal, 2023
In a previous paper, a closed-loop mechanism represented by successive excitation processes was introduced to explain the reason for the nonlinearity-induced transition from unstable response to stable vibration.
Masahiko UTSUMI
doaj   +1 more source

A space-time domain RBF method for 2D wave equations

open access: yesFrontiers in Physics, 2023
In the present study, we demonstrate the feasibility to reveal the numerical solution of the multi-dimensional wave equations. A simple semi-analytical meshless method was proposed to obtain the numerical solution of the wave equation with a newly ...
Fu-Zhang Wang   +4 more
doaj   +1 more source

Semi-Analytical Source Method for Reaction–Diffusion Problems [PDF]

open access: yesJournal of Heat Transfer, 2018
Estimation of thermal properties, diffusion properties, or chemical–reaction rates from transient data requires that a model is available that is physically meaningful and suitably precise. The model must also produce numerical values rapidly enough to accommodate iterative regression, inverse methods, or other estimation procedures during which the ...
Cole, K. D.   +2 more
openaire   +2 more sources

Semi rigid connections and their influence on steel column behaviour. [PDF]

open access: yes, 1980
A review of the development of the analysis of frames with semi-rigid end restraint is given, including the treatment of frame stability and effective lengths. The available experimental data relating to the moment versus in-plane
Jones, Stephen Winford
core   +6 more sources

Modeling Full-Field Transient Flexural Waves on Damaged Plates with Arbitrary Excitations Using Temporal Vibration Characteristics

open access: yesSensors, 2022
We propose an efficient semi-analytical method capable of modeling the propagation of flexural waves on cracked plate structures with any forms of excitations, based on the same group of vibration characteristics and validated by a non-contact scanning ...
Dan-Feng Wang   +3 more
doaj   +1 more source

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