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[121210] Artykuł:

The Influence of Dome Geometry on the Results of Modal and Buckling Analysis.

(Wpływ geometrii kopuły na wyniki analizy modalnej i wyboczeniowej)
Czasopismo: Applied Sciences - Basel   Tom: 13, Zeszyt: 2729
ISSN:  2076-3417
Opublikowano: Luty 2023
Liczba arkuszy wydawniczych:  1.00
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Do oświadczenia
nr 3		 Grupa
przynależności		 Dyscyplina
naukowa		 Procent
udziału		 Liczba
punktów
do oceny pracownika		 Liczba
punktów wg
kryteriów ewaluacji
Paweł Zabojszcza orcid logo WBiAKatedra Mechaniki, Konstrukcji Metalowych i Metod Komputerowych *Takzaliczony do "N"Inżynieria lądowa, geodezja i transport3350.0050.00  
Urszula Radoń orcid logo WBiAKatedra Mechaniki, Konstrukcji Metalowych i Metod Komputerowych *Takzaliczony do "N"Inżynieria lądowa, geodezja i transport3350.0050.00  
Milan Sokol Niespoza "N" jednostki33.00.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 100

Pełny tekstPełny tekst     DOI LogoDOI    
Keywords:

modal analysis  finite element method  Schwedler dome  geodesic dome  linear and geometrical nonlinear buckling analysis 


Abstract:

The main purpose of this paper is to compare the results of modal analysis for two types of domes. The first one is a low-rise Schwedler dome. The second one is a high-rise geodesic dome. The low-rise Schwedler dome is subjected to large displacement gradients and should be designed according to geometrical nonlinear analysis. In the case of high-rise geodesic dome, linear analysis is sufficient. In the modal analysis, the mass of the bars of the supporting structures was modeled as evenly distributed, while the mass of the covering and roof equipment was concentrated in the nodes. Classic calculations have been enriched with modal analysis taking into account normal forces. Normal forces affect the vibration frequency of the structure. Commonly used modal analysis does not take into account the influence of normal forces. In order to approximate the actual working conditions of the structure, calculations performed in Autodesk Robot Structure Professional 2022 can be performed in accordance with the modal analysis, taking into account the applied normal forces in the modal analysis. Additionally, stability loss was verified using linear or geometrical nonlinear buckling analysis. The exigence of including normal forces in modal analysis for low-rise domes is the novelty and main message of the work.


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