scholarly journals Calculation of profiled flooring using the mid-surface equation of the orthotropic plate

2021 ◽  
Vol 1901 (1) ◽  
pp. 012038
Author(s):  
S A Makeev ◽  
A A Komlev ◽  
S E Makarov ◽  
I D Makarova
Keyword(s):  
Orthotropic Plate ◽  
Surface Equation

CALCULATION OF PROFILED FLOORING USING THE MID-SURFACE EQUATION OF THE ORTHOTROPIC PLATE

2021 ◽  
Author(s):  
S. A. Makeev ◽  
◽  
A. A. Komlev ◽  
S. E. Makarov ◽  
I. D. Makarova ◽  
...  
Keyword(s):  
Orthotropic Plate ◽  
Surface Equation

Стальной профилированный настил является конструктивно-ортотропным материалом, поскольку его ортотропия обусловлена не свойствами материала, а формой поперечного сечения получаемой на этапе производства. Учет ортотропных свойств профилированного настила во время расчета производится крайне редко, поскольку является трудоемким процессом. Предложена методика расчета профилированного настила с учетом его ортотропных свойств, реализуемая в различных расчетных программных комплексах. Приведены результаты расчетов в пакете Matlab и ПК Лира-САПР.

scholarly journals Modeling of the buckstay system of membrane-walls in watertube boiler construction

2014 ◽  
Vol 18 (suppl.1) ◽  
pp. 59-72 ◽  
Author(s):  
Hasan Nagiar ◽  
Tasko Maneski ◽  
Vesna Milosevic-Mitic ◽  
Branka Gacesa ◽  
Nina Andjelic
Keyword(s):  
Finite Element ◽  
Orthotropic Plate ◽  
Global Model ◽  
Local Model ◽  
Thermal Loads ◽  
Water Tube ◽  
Bending Load ◽  
Specific Geometry ◽  
Structural Parts ◽  
Help Model

Membrane walls are very important structural parts of water-tube boiler construction. Based on their specific geometry, one special type of finite element was defined to help model the global boiler construction. That is the element of reduced orthotropic plate with two thicknesses and two elasticity matrixes, for membrane and bending load separately. A global model of the boiler construction showed that the high value of stress is concentrated in plates of the buckstay system in boiler corners. Validation of the new finite element was done on the local model of the part of membrane wall and buckstay. A very precise model of tubes and flanges was compared to the model formed on the element of a reduced orthotropic plate. Pressure and thermal loads were discussed. Obtained results indicated that the defined finite element was quite favorable in the design and reconstruction of the boiler substructures such as a buckstay system.

scholarly journals Surface Equation of State of Nonionic CmEnSurfactants

Langmuir ◽  
2003 ◽  
Vol 19 (8) ◽  
pp. 3164-3171 ◽  
Author(s):  
Shi-Yow Lin ◽  
Ya-Chi Lee ◽  
Ming-Wei Yang ◽  
Hwai-Shen Liu
Keyword(s):  
Equation Of State ◽  
Surface Equation

Stress Concentrations in Cylindrically Orthotropic Composite Plates With a Circular Hole

1981 ◽  
Vol 48 (3) ◽  
pp. 563-569 ◽  
Author(s):  
N. J. Hoff
Keyword(s):  
Closed Form ◽  
Circular Hole ◽  
Orthotropic Plate ◽  
Composite Plates ◽  
Stress Concentrations ◽  
Orthotropic Composite ◽  
Closed Form Solutions ◽  
Cylindrically Orthotropic

The equations governing the distribution of the stresses in a cylindrically orthotropic plate with a circular hole are solved for the case when the plate is subjected to uniform uniaxial traction. Closed-form solutions are given for the circumferential stresses along the edge of the hole.

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