<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Objective of the present study is to define the dynamic mechanical response of multi-story structures acted upon by wind. Structural response is associated to the dynamically applied wind and is approached by considering its three components: static, kinematic and energy states. Proposed objective is achieved by structural dynamic analyses performed on multi-story steel structures in elastic domain. The dynamic model is the multi-degree of freedom system associated to lateral story level displacements. Dynamic forces are computed from recorded velocities of wind through a simple velocity – pressure – force transform. The matriceal differential equation of wind induced vibratory state is dealt with by both, direct integration and modal decomposition. The three components of the mechanical state are expressed via base shear force – the static state, lateral story-level displacements – the kinematic state and wind induced energy – the energy state. Modal decomposition of the dynamic response allows for immediate computation of modal contribution to the total wind response. Computed values of the parameters are numerically and graphically presented and commented. Relevant conclusions are inferred.</p></abstract>

Objective of the present study is to define the dynamic mechanical response of multi-story structures acted upon by wind. Structural response is associated to the dynamically applied wind and is approached by considering its three components: static, kinematic and energy states. Proposed objective is achieved by structural dynamic analyses performed on multi-story steel structures in elastic domain. The dynamic model is the multi-degree of freedom system associated to lateral story level displacements. Dynamic forces are computed from recorded velocities of wind through a simple velocity – pressure – force transform. The matriceal differential equation of wind induced vibratory state is dealt with by both, direct integration and modal decomposition. The three components of the mechanical state are expressed via base shear force – the static state, lateral story-level displacements – the kinematic state and wind induced energy – the energy state. Modal decomposition of the dynamic response allows for immediate computation of modal contribution to the total wind response. Computed values of the parameters are numerically and graphically presented and commented. Relevant conclusions are inferred.

Mechanical State of Multi-Story Structures Induced by Wind Action

Journal of Applied Engineering Sciences

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Mechanical State of Multi-Story Structures Induced by Wind Action"}

Objective of the present study is to define the dynamic mechanical response of multi-story structures acted upon by wind. Structural response is associated to...

Mechanical State of Multi-Story Structures Induced by Wind Action

Pubblicato online: 14 lug 2017

Pagine: 37 - 43

Ricevuto: 16 gen 2017

Accettato: 20 gen 2017

DOI: https://doi.org/10.1515/jaes-2017-0005

Parole chiave
dynamic analysis, multi-storey structures, wind action, energy state

© 2017 F. Blaga et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mechanical State of Multi-Story Structures Induced by Wind Action

Pubblicato online: 14 lug 2017

Pagine: 37 - 43

Ricevuto: 16 gen 2017

Accettato: 20 gen 2017

DOI: https://doi.org/10.1515/jaes-2017-0005

Parole chiavedynamic analysis, multi-storey structures, wind action, energy state

© 2017 F. Blaga et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
dynamic analysis, multi-storey structures, wind action, energy state