CN106143826A - A kind of fractal open-work heave plate - Google Patents

A kind of fractal open-work heave plate Download PDF

Info

Publication number
CN106143826A
CN106143826A CN201610635300.6A CN201610635300A CN106143826A CN 106143826 A CN106143826 A CN 106143826A CN 201610635300 A CN201610635300 A CN 201610635300A CN 106143826 A CN106143826 A CN 106143826A
Authority
CN
China
Prior art keywords
fractal
heave plate
work
open
heave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610635300.6A
Other languages
Chinese (zh)
Other versions
CN106143826B (en
Inventor
李春
余万
丁勤卫
周国龙
周红杰
陈福东
刘宇航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201610635300.6A priority Critical patent/CN106143826B/en
Publication of CN106143826A publication Critical patent/CN106143826A/en
Application granted granted Critical
Publication of CN106143826B publication Critical patent/CN106143826B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/005—Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Vibration Dampers (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

According to fractal open-work heave plate involved in the present invention, having the feature that, including heave plate, this heave plate is provided with a plurality of through hole being perpendicular to plate face, and plurality of through holes is that Fractal Pattern is arranged.Arrange because the plurality of through holes in heave plate is Fractal Pattern, so, after the fractal open-work heave plate of the present invention is arranged on raft, there is increase raft damping, optimize the effect of raft response so that the stability of raft improves further.

Description

A kind of fractal open-work heave plate
Technical field
The present invention relates to a kind of heave plate, be specifically related to a kind of fractal open-work heave plate.
Background technology
With the development of wind energy industry, offshore wind farm exploitation has become inexorable trend.Therefore wind energy conversion system also has from land To marine, from small-sized to large-scale, from being fixed to floating development trend.For floating marine formula wind energy conversion system, passive Being floatation type platform, the surrounding of floating marine formula Spar platform is equipped with anchoring system so that platform can preferably position, marine Floatation type platform is because being waved by the various load effect such as sea turn load, wave load, current load, in order to increase platform Stability, heave plate is arranged on the underwater portion of platform, the quoting of heave plate is not only overall structure to be provided extra viscous Property damping, and integrally-built additional mass can be improved；Heave plate can replace the Spar main body by big drinking water, reduces The cost of Spar platform, the of paramount importance platform response that can reduce, further, punching in heave plate can increase platform Damp thus add the stability of platform.
Punching in heave plate and having different solutions, a solution is to beat different number of phase in heave plate With the hole of radius, the radius in the method hole is too inflexible, though processing is simple but well can not increase stablizing of platform further Property；Another kind of solution is to be equipped with the hole of different radii in heave plate, with the subjective arrangement punching position in heave plate of individual Putting, punch position does not has theoretical foundation, and the subjectivity with research people selects punching entirely, belongs to arbitrarily punching；Additionally also have and only examine Considering heave plate air permeability rate to punch, the method considers simple, and blindness is big.
Content of the invention
The present invention is carried out to solve the problems referred to above, it is therefore intended that provide a kind of fractal open-work heave plate.
The invention provides a kind of fractal open-work heave plate, have the feature that, including heave plate, this heave plate is arranged Having a plurality of through hole being perpendicular to plate face, plurality of through holes is that Fractal Pattern is arranged.
In the fractal open-work heave plate that the present invention provides, can also have a feature in that wherein Fractal Pattern includes Self similarity iteration in size and geometry.
In addition, in the fractal open-work heave plate that the present invention provides, can also have a feature in that wherein, fractal mould Formula is that Xie Erbinsiji is fractal.
In addition, in the fractal open-work heave plate that the present invention provides, can also have a feature in that wherein, fractal mould Formula, based on Xie Erbinsiji triangle fractal graph, is provided with a plurality of inscribe circular hole in the triangle of non-co-limit.
In addition, in the fractal open-work heave plate that the present invention provides, can also have a feature in that wherein, fractal mould Formula, based on Xie Erbinsiji regular polygon fractal graph, is provided with a plurality of inscribe circular hole in the regular polygon of non-co-limit.
In addition, in the fractal open-work heave plate that the present invention provides, can also have a feature in that wherein, heave plate For circular slab.
The effect of invention and effect
According to fractal open-work heave plate involved in the present invention, having the feature that, including heave plate, this heave plate sets Being equipped with a plurality of through hole being perpendicular to plate face, plurality of through holes is that Fractal Pattern is arranged.Because a plurality of logical in heave plate Hole is that Fractal Pattern is arranged, so, after the fractal open-work heave plate of the present invention is arranged on raft, there is increase floating Platform damping, optimizes the effect of raft response so that the stability of raft improves further.
Brief description
Fig. 1 is floatation type wind energy conversion system and heave plate schematic diagram, and wherein, a is provided with the floatation type of fractal graph heave plate Wind energy conversion system, b is the partial enlarged drawing of C in Fig. 1 (a)；
Fig. 2 is that floatation type platform is vertical to be swung in the free degree to response correlation curve figure；
Fig. 3 is the schematic diagram of the free degree on floatation type platform six direction；
Fig. 4 is Xie Erbinsiji triangle fractal graph schematic diagram；
Fig. 5 is the circular heave plate schematic diagram of Xie Erbinsiji triangle fractal graph in embodiments of the invention；
Fig. 6 is the circular heave plate schematic diagram of Xie Erbinsiji quadrangle fractal graph in embodiments of the invention；And
Fig. 7 is the circular heave plate schematic diagram of Xie Erbinsiji pentagon fractal graph in embodiments of the invention.
Detailed description of the invention
In order to make the present invention realize technological means, creation characteristic, reach purpose and be easy to understand with effect, real below Execute example to combine accompanying drawing and be specifically addressed the present invention fractal open-work heave plate.
Fig. 1 is floatation type wind energy conversion system and heave plate schematic diagram, and wherein, a is provided with the floatation type of fractal graph heave plate Wind energy conversion system, b is the partial enlarged drawing of C in Fig. 1 (a).
Fractal geometry is a subject with irregular geometric shape as research object, but its research object generally exists It with large nature, is therefore called " geometry of the Nature "；The utilization of fractal geometry is also to imitate natural phenomena, Good effect is have received as bionics.Fractal geometrical theory has well application in a lot of scientific domains, as divided Shape surface texture formula heat exchanger not only increases the radiating effect of heat exchanger and changes owing to the reasonability in its structure improves The service life of hot device, and there is energy saving effect；For another example utilization on injector jet tray for the fractal hole is also extremely successful.Adopt By the heave plate of fractal punching, significantly effect is had to the stability improving floatation type platform, use different fractal dimension geometry Figure punching will have different air permeability rates, but under the conditions of one branch dimension geometric figure, its air permeability rate is by convergence one value.
As shown in Fig. 1 (b), when using the fractal graph in figure, first order pore radius is three times of second level pore radius, its Perforated area convergence S, therefore air permeability rate convergence one value admittedly.
S = S 0 Σ i = 1 ∞ ( 2 9 ) i - 1 - - - ( 1 )
Wherein, S0For middle macropore perforated area.
Fig. 2 is that floatation type platform is vertical to be swung in the free degree to response correlation curve figure.
Fig. 3 is the schematic diagram of the free degree on floatation type platform six direction.
As shown in Figure 2 and Figure 3, the free degree on floatation type platform six direction be respectively along X, Y, Z axis direction surging, Swaying, hang down and swing, and shake around the pitching of X, Y, Z axis, rolling, head.According to fractal punching heave plate, tradition heave plate and The platform of floatation type without heave plate carries out respectively testing after the numerical value obtaining calculates and draws: curve 1 is for without heave plate floatation type The response of platform；Curve 2 is for arranging the response of tradition heave plate floatation type platform；Curve 3 is for arranging fractal punching heave plate drift The response of floating platform.According to the curve map in Fig. 2, it can be seen that have fractal transmission heave plate floatation type platform its hang down swing Directional response is excellent with other two platforms, therefore understands that the utilization of fractal punching preferably reduces according to theoretical and numerical analysis The response of platform.
Fig. 4 is Xie Erbinsiji triangle fractal graph schematic diagram.
As shown in Figure 4, in Xie Erbinsiji triangle fractal graph, white triangles shape is non-co-limit triangle.
Fig. 5 is the circular heave plate schematic diagram of Xie Erbinsiji triangle fractal graph in embodiments of the invention.
As it is shown in figure 5, heave plate is circular slab in embodiments of the invention, heave plate is provided with and a plurality of is perpendicular to plate face Through hole, plurality of through holes is that Fractal Pattern is arranged, and this Fractal Pattern is based on Xie Erbinsiji triangle fractal graph and fractal Pattern includes self similarity iteration in size and geometry, is provided with a plurality of inscribe circular hole in the triangle of non-co-limit.
Fig. 6 is the circular heave plate schematic diagram of Xie Erbinsiji quadrangle fractal graph in embodiments of the invention.
As shown in Figure 6, in embodiments of the invention, heave plate is circular slab, and heave plate is provided with and a plurality of is perpendicular to plate face Through hole, plurality of through holes is that Fractal Pattern is arranged, and this Fractal Pattern is based on Xie Erbinsiji quadrangle fractal graph and fractal Pattern includes self similarity iteration in size and geometry, is provided with a plurality of inscribe circular hole in the quadrangle of non-co-limit.
Fig. 7 is the circular heave plate schematic diagram of Xie Erbinsiji pentagon fractal graph in embodiments of the invention.
As it is shown in fig. 7, heave plate is circular slab in embodiments of the invention, heave plate is provided with and a plurality of is perpendicular to plate face Through hole, plurality of through holes is that Fractal Pattern is arranged, and this Fractal Pattern is based on Xie Erbinsiji pentagon fractal graph and fractal Pattern includes self similarity iteration in size and geometry, is provided with a plurality of inscribe circular hole in the pentagon of non-co-limit.
The effect of embodiment and effect
According to fractal open-work heave plate involved in the present invention, having the feature that, including heave plate, this heave plate sets Being equipped with a plurality of through hole being perpendicular to plate face, plurality of through holes is that Fractal Pattern is arranged.Because a plurality of logical in heave plate Hole is that Fractal Pattern is arranged, so, after the fractal open-work heave plate of the present invention is arranged on raft, there is increase floating Platform damping, optimizes the effect of raft response so that the stability of raft improves further.
In addition, being equipped with circular hole in the present embodiment in Xie Erbinsiji triangle is in order to avoid occurring between Kong Yukong wearing Saturating phenomenon thus the entirety that produces come off, and the using effect studying heave plate when showing to punch generally circular in shape is best.
Further, the present embodiment uses in the punching of non-co-limit delta-shaped region, be in order to avoid being equipped with between circular hole The plate occurring the tangent situation in hole, hole to occur and producing comes off.

Claims (6)

1. a fractal open-work heave plate, is arranged on floating marine formula wind energy conversion system, for increasing the additional mass of raft And damping, it is characterised in that include:
Heave plate, this heave plate is provided with a plurality of through hole being perpendicular to plate face,
Described plurality of through holes is that Fractal Pattern is arranged.
2. fractal open-work heave plate according to claim 1, it is characterised in that:
Wherein, described Fractal Pattern includes self similarity iteration in size and geometry.
3. fractal open-work heave plate according to claim 2, it is characterised in that:
Wherein, described Fractal Pattern is that Xie Erbinsiji is fractal.
4. fractal open-work heave plate according to claim 3, it is characterised in that:
Wherein, described Fractal Pattern is based on Xie Erbinsiji triangle fractal graph, is provided with plural number in the triangle of non-co-limit Individual inscribe circular hole.
5. fractal open-work heave plate according to claim 3, it is characterised in that:
Wherein, described Fractal Pattern is based on Xie Erbinsiji regular polygon fractal graph, is provided with in the regular polygon of non-co-limit A plurality of inscribe circular holes.
6. fractal open-work heave plate according to claim 1, it is characterised in that:
Wherein, described heave plate is circular slab.
CN201610635300.6A 2016-08-05 2016-08-05 One kind divides shape open-work heave plate Expired - Fee Related CN106143826B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610635300.6A CN106143826B (en) 2016-08-05 2016-08-05 One kind divides shape open-work heave plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610635300.6A CN106143826B (en) 2016-08-05 2016-08-05 One kind divides shape open-work heave plate

Publications (2)

Publication Number Publication Date
CN106143826A true CN106143826A (en) 2016-11-23
CN106143826B CN106143826B (en) 2018-01-16

Family

ID=57329013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610635300.6A Expired - Fee Related CN106143826B (en) 2016-08-05 2016-08-05 One kind divides shape open-work heave plate

Country Status (1)

Country Link
CN (1) CN106143826B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985983A (en) * 2017-02-21 2017-07-28 中交第二航务工程局有限公司 Increase the heave plate of engineering ship stability
CN112761893A (en) * 2021-01-22 2021-05-07 上海理工大学 Novel double-body floating type wind turbine platform with fractal structure

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285429A (en) * 2011-05-26 2011-12-21 天津大学 Floating type supporting structure for marine windmill
CN202847984U (en) * 2012-03-22 2013-04-03 中国海洋石油总公司 Heavy draught truss type floating platform
US20140232116A1 (en) * 2013-02-21 2014-08-21 University Of Washington Through Its Center For Commercialization Heave plates that produce large rates of change in tether tension without going slack, and associated systems and methods
CN204606161U (en) * 2015-04-30 2015-09-02 大连理工大学 Deep water dynamic positioning semisubmersible platform is tuning to hang down and swings plate and subtract to shake to subtract and swing control system
CN104890830A (en) * 2015-04-30 2015-09-09 大连理工大学 Control system for stabilizing and reducing swing through tuning heaving plate of deep-water dynamic-positioning semi-submersible platform
CN204688372U (en) * 2015-06-08 2015-10-07 上海海洋大学 Truss-like oil production platform
CN105083485A (en) * 2015-06-08 2015-11-25 上海海洋大学 Inclined upright truss type semi-submersible oil production platform
CN204857972U (en) * 2015-08-11 2015-12-09 广东健博通科技股份有限公司 Fractal hollowed out design ultra wide band dual polarized antenna oscillator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285429A (en) * 2011-05-26 2011-12-21 天津大学 Floating type supporting structure for marine windmill
CN202847984U (en) * 2012-03-22 2013-04-03 中国海洋石油总公司 Heavy draught truss type floating platform
US20140232116A1 (en) * 2013-02-21 2014-08-21 University Of Washington Through Its Center For Commercialization Heave plates that produce large rates of change in tether tension without going slack, and associated systems and methods
CN204606161U (en) * 2015-04-30 2015-09-02 大连理工大学 Deep water dynamic positioning semisubmersible platform is tuning to hang down and swings plate and subtract to shake to subtract and swing control system
CN104890830A (en) * 2015-04-30 2015-09-09 大连理工大学 Control system for stabilizing and reducing swing through tuning heaving plate of deep-water dynamic-positioning semi-submersible platform
CN204688372U (en) * 2015-06-08 2015-10-07 上海海洋大学 Truss-like oil production platform
CN105083485A (en) * 2015-06-08 2015-11-25 上海海洋大学 Inclined upright truss type semi-submersible oil production platform
CN204857972U (en) * 2015-08-11 2015-12-09 广东健博通科技股份有限公司 Fractal hollowed out design ultra wide band dual polarized antenna oscillator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106985983A (en) * 2017-02-21 2017-07-28 中交第二航务工程局有限公司 Increase the heave plate of engineering ship stability
CN106985983B (en) * 2017-02-21 2019-04-12 中交第二航务工程局有限公司 Increase the heave plate of engineering ship stability
CN112761893A (en) * 2021-01-22 2021-05-07 上海理工大学 Novel double-body floating type wind turbine platform with fractal structure

Also Published As

Publication number Publication date
CN106143826B (en) 2018-01-16

Similar Documents

Publication Publication Date Title
CN202369965U (en) Controllable floating type wave absorbing assembly for floating, semi-submersible and submersible type breakwaters
Le et al. Morphological effect of a scallop shell on a flapping-type tidal stream generator
CN204040050U (en) Mixed type offshore wind power foundation structure
CN207274934U (en) A kind of tension leg type fan platform
CN106828812B (en) Semi-submersible type deep-sea wind-powered electricity generation mounting platform and its wind power generating set integral installation method
CN109278950A (en) A kind of Oversea wind power generation and fishery cage culture mixed type floating platform
CN109334883A (en) It is a kind of sea buoyant wind power generation with fishery cage culture hybrid platform
CN106143826A (en) A kind of fractal open-work heave plate
CN203819467U (en) Ocean platform positioning system
CN103482035B (en) The huge cement concrete floating structure of the marine antiknock of pin-connected panel
CN205396471U (en) Novel deep sea semi -submerged formula floating marine wind power platform
CN206231583U (en) Semisubmersible platform and production platform
KR20100085776A (en) Dimpled lifting pipes for mining deep-sea mineral resources
CN206012898U (en) Porous media material wave absorption stability float module
CN203199142U (en) Small waterplane area twin hull structure
CN201563489U (en) Dynamic anchoring net cage
CN105197179A (en) Vertical bow and front edge drainage combined damping structure used for low speed full formed ship
CN205220980U (en) A perpendicular bow and leading edge drainage combination drag reduction structure that is used for loose ship type of low -speed
CN112706889A (en) Floating platform combining wind power generation and mariculture
CN206871322U (en) A kind of marine ultra-large type floating platform
CN105329415A (en) Semi-submerged platform main body structure capable of improving vortex-induced motion performance
CN207201746U (en) A kind of wind power plant and sea farming utilization system
CN203938752U (en) A kind of improved polycrystalline making herbs into wool RENA machine
CN104554644A (en) Water surface floating body platform
CN203407347U (en) Anti-stormy-wave deep water net cage

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180116

Termination date: 20210805