Analysis of the influence of the meshing size for an oil tanker structural model on the stress hot spot values

Autor: Leonard Domnișoru, Nicoleta Elena Lazăr
Rok vydání: 2022
Předmět:
Zdroj: Analele Universităţii "Dunărea de Jos" din Galaţi Fascicula XI Construcţii navale/ Annals of "Dunărea de Jos" of Galati Fascicle XI Shipbuilding. 45:41-50
ISSN: 2668-3156
1221-4620
Popis: The development of the shipbuilding industry leads to new requirements for the safety of ships. Stress hot spots are recorded on every floating structure and they influence nega-tively the hull strength. This analysis identifies the stress hot spots and the influence of the meshing size on their values for a 97235 tdw oil tanker, using the Femap/NX Nastran program. Structurally, two constructive options were considered for the central longitudi-nal bulkhead: corrugated and flat panels. The detailed local structural model is devel-oped for three mesh sizes: coarse, medium, and fine. Quad and triangle shell elements are used for the FEM local models.
Databáze: OpenAIRE