EXPERIMENTAL STATIC AND DYNAMIC TESTS ON A LARGE-SCALE FREE-FORM VORONOI GRID SHELL MOCK-UP IN COMPARISON WITH FINITE-ELEMENT METHOD RESULTS

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FROLI MAURIZIO; LACCONE FRANCESCO

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING Year:2017 | Volume:9 | Issue:3 Page(s): 293-308

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Information Journal Paper

Title

EXPERIMENTAL STATIC AND DYNAMIC TESTS ON A LARGE-SCALE FREE-FORM VORONOI GRID SHELL MOCK-UP IN COMPARISON WITH FINITE-ELEMENT METHOD RESULTS

Author(s)

FROLI MAURIZIO | LACCONE FRANCESCO | Issue Writer Certificate

Keywords

FREE FORM

GRID SHELL

VORONOI

POLYGONAL PATTERN

EXPERIMENTAL STATIC TEST

OPERATIONAL MODAL ANALYSIS

IMPULSIVE TEST

Abstract

Grid shells supporting transparent or opaque panels are largely used to cover long-spanned spaces because of their lightness, the easy setup, and economy. This paper presents the results of experimental static and dynamic investigations carried out on a large-scale freeform GRID SHELL mock-up, whose geometry descended from an innovative VORONOI POLYGONAL PATTERN. Accompanying finite-element method (FEM) simulations followed. To these purposes, a four-step procedure was adopted: (1) a perfect FEM model was analyzed; (2) using the modal shapes scaled by measuring the mock-up, a deformed unloaded geometry was built, which took into account the defects caused by the assembly phase; (3) EXPERIMENTAL STATIC TESTs were executed by affixing weights to the mockup, and a simplified representative FEM model was calibrated, choosing the nodes stiffness and the material properties as parameters; and (4) modal identification was performed through OPERATIONAL MODAL ANALYSIS and IMPULSIVE TESTs, and then, a simplified FEM dynamical model was calibrated. Due to the high deformability of the mockup, only a symmetric load case configuration was adopted.

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APA: Copy

FROLI, MAURIZIO, & LACCONE, FRANCESCO. (2017). EXPERIMENTAL STATIC AND DYNAMIC TESTS ON A LARGE-SCALE FREE-FORM VORONOI GRID SHELL MOCK-UP IN COMPARISON WITH FINITE-ELEMENT METHOD RESULTS. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 9(3), 293-308. SID. https://sid.ir/paper/319876/en

Vancouver: Copy

FROLI MAURIZIO, LACCONE FRANCESCO. EXPERIMENTAL STATIC AND DYNAMIC TESTS ON A LARGE-SCALE FREE-FORM VORONOI GRID SHELL MOCK-UP IN COMPARISON WITH FINITE-ELEMENT METHOD RESULTS. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2017;9(3):293-308. Available from: https://sid.ir/paper/319876/en

IEEE: Copy

MAURIZIO FROLI, and FRANCESCO LACCONE, “EXPERIMENTAL STATIC AND DYNAMIC TESTS ON A LARGE-SCALE FREE-FORM VORONOI GRID SHELL MOCK-UP IN COMPARISON WITH FINITE-ELEMENT METHOD RESULTS,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 9, no. 3, pp. 293–308, 2017, [Online]. Available: https://sid.ir/paper/319876/en

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