ModellingofStructuresunderSeismic,Impact,and...
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Editorial Modelling of Structures under Seismic, Impact, and Shock Vibrations Abdul Qadir Bhatti , 1,2 Naveed Ahmad , 3 Hugo Rodrigues , 4 and Giuseppe Brandonisio 5 1 Islamic University of Madinah, Madinah, Saudi Arabia 2 International Islamic University, Islamabad, Pakistan 3 University of Engineering and Technology, Peshawar, Pakistan 4 Polytechnic of Leiria, Leiria, Portugal 5 University of Studies of Naples “Federico II”, Naples, Italy Correspondence should be addressed to Abdul Qadir Bhatti; [email protected] Received 2 August 2018; Accepted 5 August 2018; Published 6 September 2018 Copyright © 2018 Abdul Qadir Bhatti et al. is is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. e special issue is to address the state of knowledge in the areas of seismic behavior of structures; response of struc- tures under blast, shock, and impact loads; material behavior under blast; impact and explosion tests; structural mecha- nism and damage evolution; protection concepts and design; and linear/nonlinear analytical/numerical modelling of structures and simulation. is issue will benefit structural engineers for modelling structural analysis and design for extreme loads (seismic, blast, and impact), in which the structure primarily behaves nonlinearly and inelastically. e investigators have been invited to contribute original research articles as well as review articles that have been stimulating the continuing efforts to understand the mod- elling of structures under the extreme loadings. e modelling of materials and structural behavior under dynamic loading, including blast/shock-induced vibration, impact loading, and seismic actions, is a very challenging topic with several open questions that need to be addressed in order to obtain safer structures. e main reason to promote the present special issue was to promote a platform to share the recent advances that may be beneficial to structural en- gineers, who are facing challenges, when modelling structures for analysis and design for extreme loads. 64 papers have been submitted, from which a total of 25 papers have been finally selected to integrate the present issue, which shows the interest and importance of the special issue topic. ere are many severe conditions under which the vi- bration occurs under short duration impact loads within milliseconds of time history response such as falling-weight impact loading and rock fall on structures. e impact with very high response such as blast and shock vibration impact on structures of various types within microseconds have been added. Eight papers are focused on shock and blast in structures, and the topics covered are related with the re- sponse of building structural elements, as well as the effects in special infrastructures. Eleven papers were submitted related to pure dynamic and vibration modelling strategies. Since the last century, many developments have been made in understanding the seismic demand on structures due to earthquake-induced ground motions and structure response under dynamically varying loads. However, ob- servations from the recent past earthquakes have dem- onstrated that structures designed to modern codes of practice and guidelines have not performed up to the expectations in reducing losses due to earthquakes. Fur- thermore, the recent earthquakes have demonstrated that the vulnerability of deficient; that is, noncomplaint, structures is higher than the previously known. All these are pointing to the growing interest in tools for modelling of structures under earthquake loading, to accurately ac- count for the possible damage mechanisms and their im- plication on the structure response under earthquakes of Hindawi Shock and Vibration Volume 2018, Article ID 4105168, 2 pages https://doi.org/10.1155/2018/4105168
Transcript of ModellingofStructuresunderSeismic,Impact,and...
EditorialModelling of Structures under Seismic, Impact, andShock Vibrations
Abdul Qadir Bhatti ,1,2 Naveed Ahmad ,3 Hugo Rodrigues ,4
and Giuseppe Brandonisio5
1Islamic University of Madinah, Madinah, Saudi Arabia2International Islamic University, Islamabad, Pakistan3University of Engineering and Technology, Peshawar, Pakistan4Polytechnic of Leiria, Leiria, Portugal5University of Studies of Naples “Federico II”, Naples, Italy
Correspondence should be addressed to Abdul Qadir Bhatti; [email protected]
Received 2 August 2018; Accepted 5 August 2018; Published 6 September 2018
Copyright © 2018 Abdul Qadir Bhatti et al. "is is an open access article distributed under the Creative Commons AttributionLicense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work isproperly cited.
"e special issue is to address the state of knowledge in theareas of seismic behavior of structures; response of struc-tures under blast, shock, and impact loads; material behaviorunder blast; impact and explosion tests; structural mecha-nism and damage evolution; protection concepts and design;and linear/nonlinear analytical/numerical modelling ofstructures and simulation. "is issue will benefit structuralengineers for modelling structural analysis and design forextreme loads (seismic, blast, and impact), in which thestructure primarily behaves nonlinearly and inelastically."e investigators have been invited to contribute originalresearch articles as well as review articles that have beenstimulating the continuing efforts to understand the mod-elling of structures under the extreme loadings.
"e modelling of materials and structural behavior underdynamic loading, including blast/shock-induced vibration,impact loading, and seismic actions, is a very challengingtopic with several open questions that need to be addressed inorder to obtain safer structures. "e main reason to promotethe present special issue was to promote a platform to sharethe recent advances that may be beneficial to structural en-gineers, who are facing challenges, when modelling structuresfor analysis and design for extreme loads.
64 papers have been submitted, from which a total of 25papers have been finally selected to integrate the presentissue, which shows the interest and importance of the specialissue topic.
"ere are many severe conditions under which the vi-bration occurs under short duration impact loads withinmilliseconds of time history response such as falling-weightimpact loading and rock fall on structures. "e impact withvery high response such as blast and shock vibration impacton structures of various types within microseconds havebeen added. Eight papers are focused on shock and blast instructures, and the topics covered are related with the re-sponse of building structural elements, as well as the effectsin special infrastructures.
Eleven papers were submitted related to pure dynamicand vibration modelling strategies.
Since the last century, many developments have beenmade in understanding the seismic demand on structuresdue to earthquake-induced ground motions and structureresponse under dynamically varying loads. However, ob-servations from the recent past earthquakes have dem-onstrated that structures designed to modern codes ofpractice and guidelines have not performed up to theexpectations in reducing losses due to earthquakes. Fur-thermore, the recent earthquakes have demonstrated thatthe vulnerability of deficient; that is, noncomplaint,structures is higher than the previously known. All theseare pointing to the growing interest in tools for modellingof structures under earthquake loading, to accurately ac-count for the possible damage mechanisms and their im-plication on the structure response under earthquakes of
HindawiShock and VibrationVolume 2018, Article ID 4105168, 2 pageshttps://doi.org/10.1155/2018/4105168
varying intensity, for example, frequent earthquakes, rareearthquakes, and very rare earthquake. With the ad-vancement of experimental database, it is possible to test,validate, and calibrate tools for structure modelling andanalysis, which can be in turn used both in research andpractice. Six papers are focused in the study of earthquakeimpact in structures and infrastructures. In fact, the topicsin several cases cross the boundaries mixing the advanceddynamic methods to study the seismic effects on structuresor combining different hydrodynamic loads with the effectsof earthquakes, and only with the proper advanced nu-merical strategies will be possible to have an accurate as-sessment of the structural behaviour.
"e editorial team is sure that the papers reflect sig-nificant researches and developments the different topicsaddressed. We hope that readers will find all articles of thespecial issue useful and exciting and that the articles willstimulate further research activities in the area of damageassessment.
Conflicts of Interest
"e guest editors have no conflicts of interest regarding thepublication of this special issue.
Abdul Qadir BhattiNaveed AhmadHugo Rodrigues
Giuseppe Brandonisio
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