Method for calculating wind load of round tube supporting component in oceanographic engineering
A supporting component and marine engineering technology, applied in calculation, special data processing applications, instruments, etc., can solve problems such as low efficiency, wind load error, and influence on design work, and achieve the effect of improving calculation efficiency and accuracy
Active Publication Date: 2017-05-10
DALIAN SHIPBUILDING IND
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Problems solved by technology
[0003] In the past, the calculation of the wind load of the circular pipe support members used the height coefficient to correct the wind speed, and then used the wind speed to calculate the wind force. However, this is not accurate, because the height coefficient is an empirical value and is not continuous, so the calculated wind load is obviously There is a large error, and the height coefficient must be selected repeatedly according to the change of the height of each section of the circular tube support member, which is inefficient and seriously affects the subsequent design work
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Embodiment 1
[0035] as attached figure 2 As shown, the design parameters of a circular tube support member in the bow helideck support structure of a certain type of drilling ship are shown in the following table:
[0036] Table 1 The actual design parameters of a circular tube support member
[0037] Diameter D (m) 0.273 Length L (m) 10.32 The design wind speed is V k (m / s)
51.44 The distance from the low end to the sea surface H (meters) 24.9 Angle with wind direction α(°) 46 Angle with sea level β(°) 52
[0038] By substituting the parameters in Table 1 into the formula developed by this patent, the wind load of the circular tube support member can be calculated accurately and efficiently, and used in the next step of structural strength check.
[0039]
[0040] Compared with the method of the present invention, if the traditional calculation method is adopted, the calculation method of the wind load in this embodiment is as follows:...
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The invention discloses a method for calculating the wind load of a round tube supporting component in oceanographic engineering. The method comprises the following step that the following parameters, such as the diameter of the round tube supporting component, designed wind speed, the included angle between the round tube supporting component and the wind direction, the length of the round tube supporting component, the distance between the low end of the round tube supporting component and the sea level, the included angle between the round tube supporting component and the sea level and the length of any micro-segment on the round tube supporting component, are designed or measured. The wind load on the round tube supporting component is obtained based on the parameters. According to the technical scheme, a formula for precisely calculating the wind load of the round tube supporting component in oceanographic engineering is provided, the precise degree of a calculation result is improved, calculation efficiency is improved, and a good foundation is laid for subsequent design work.
Description
technical field [0001] The invention relates to the technical field of marine engineering design, and more specifically, relates to a method for calculating wind loads of circular pipe support members in marine engineering. Background technique [0002] The circular tube support member is a type of support member often used in marine engineering, and is used to support structures and equipment such as helicopter platforms and upper modules. In order to ensure the safety of such circular tube support members, the structural strength must be checked strictly, so it is necessary to calculate various loads suffered by it, and the wind load is one of the important loads suffered by such support members. [0003] In the past, the calculation of the wind load of the circular pipe support members used the height coefficient to correct the wind speed, and then used the wind speed to calculate the wind force. However, this is not accurate, because the height coefficient is an empirica...
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IPC IPC(8): G06F17/50
CPCG06F30/17
Inventor 石强刘小杰王飞伞立忠赵杰
Owner DALIAN SHIPBUILDING IND