Meshfree Sequentially Linear Analysis of Concrete

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Title: Meshfree Sequentially Linear Analysis of Concrete
Authors: Salam Al-Sabah, Abd
Laefer, Debra F.
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Date: Mar-2016
Abstract: A new, meshfree method employing the node-based, smoothed point interpolation method (NS-PIM) is presented as an alternative to the nonlinear finite-element approach for concrete members. The nonlinear analysis is replaced by sequentially linear analyses (SLA), and a smeared, fixed concrete cracking model was used. A notched concrete beam was employed for validation. Using a crack band width factor of 2.0 and 10-mm nodal spacing, the peak load differed by only 3.5% from experimental results. Overall results were similar to experimental ones, as well as to those published by researchers using finite-element SLA. The approach provides two major advantages over finite-element-based SLA: (1) nodal distortion insensitivity, and (2) nodal spacing insensitivity.
Funding Details: European Research Council
Type of material: Journal Article
Publisher: American Society of Engineers
Copyright (published version): 2015 American Society of Civil Engineers
Keywords: Mesh free methodPoint interpolation methodSequentially linear analysisConcreteCracking
DOI: 10.1061/(ASCE)CP.1943-5487.0000474
Language: en
Status of Item: Peer reviewed
Appears in Collections:Earth Institute Research Collection
Civil Engineering Research Collection

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