CN110031168A - Two-tube interference dynamic response experimental provision under dummy level forced oscillation state - Google Patents

Two-tube interference dynamic response experimental provision under dummy level forced oscillation state Download PDF

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Publication number
CN110031168A
CN110031168A CN201910272524.9A CN201910272524A CN110031168A CN 110031168 A CN110031168 A CN 110031168A CN 201910272524 A CN201910272524 A CN 201910272524A CN 110031168 A CN110031168 A CN 110031168A
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China
Prior art keywords
module
tube
adjustment module
standpipe
experimental provision
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CN201910272524.9A
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Chinese (zh)
Inventor
许玉旺
付世晓
何玥
张萌萌
任桐鑫
任浩杰
张智奇
赵冰
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN201910272524.9A priority Critical patent/CN110031168A/en
Publication of CN110031168A publication Critical patent/CN110031168A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M10/00Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures

Abstract

The present invention provides a kind of experimental provision of two-tube interference dynamic response under dummy level forced oscillation state, includes top movements module, pretension adjustment module, two-tube relative position adjustment module, riser end adjustment module, deep sea vertical pipe group module measure analysis module, bottom motion module.Top movements module is fixed on horizontal trailer, is connect in vertical direction with pretension adjustment module.Deep sea vertical pipe module both ends are sequentially connected riser end adjustment module, two-tube relative position adjustment module, and the two-tube relative position adjustment module in bottom end is connect with bottom motion module.Measurement analysis module is fixed on the support frame of top movements module, and bottom motion module is fixed on the lifting vacation bottom in pond.The configuration of the present invention is simple, operating condition changes quick and convenient in experimentation, and flexibility is high, and operation is simple, and measurement precisely, two-tube interference vortex-induced vibration can respond under dummy level forced oscillation state, analyze its response characteristic.

Description

Two-tube interference dynamic response experimental provision under dummy level forced oscillation state
Technical field
The present invention relates to field of ocean engineering, under specifically a kind of dummy level forced oscillation state, two standpipes The experimental provision of dynamic response of the two-tube interference of composition under the influence of interference effect.
Background technique
Offshore Platform such as oil exploration platform, work standpipe are long fine flexible structure.Standpipe can be due to top horizontal The movement of platform, and moving back and forth in water carries out forming a kind of oscillatory flow relative to standpipe, structural fatigue caused by vibrating or Possible resonance is serious to cause great prestige to the safety of marine structure other than it can accelerate the aging of device work The side of body.
For Offshore Platform, work standpipe often more than one, such as the four columns of semi-submerged platform, with And numerous tension legs of tension leg platform (TLP), accordingly, there exist interfere with each other between work standpipe.Due to mutual dry between standpipe It relates to, the vortex-induced vibration mechanism and phenomenon of two root canals are more complicated for single pipe.From domestic and international researcher to such From the point of view of the research of phenomenon, experimental study is the effective form verified to theoretical prediction model.
Currently, relatively fewer to the experimental study of two-tube interference, and experimental provision is generally existing following insufficient: (1) due to The complexity of experimental provision, two-tube interference related experiment are seldom;(2) operating condition is very single with respect to for actual conditions, cannot be compared with The vortex-induced vibration of the work standpipe in actual conditions is precisely predicted well;(3) standpipe strain measurement error is larger causes There is relatively large deviation in subsequent arithmetic.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide two-tube under a kind of dummy level forced oscillation state Interfere dynamic response experimental provision.
Two-tube interference dynamic response experimental provision under a kind of dummy level forced oscillation state provided according to the present invention, packet Top movements module is included, pretension adjustment module, two-tube interference system measure analysis module, bottom motion module;
The top of top movements module, top movements module and the one of pretension adjustment module is arranged in measurement analysis module End connects in vertical direction, and position of the pretension adjustment module on top movements module level direction can be adjusted;
The other end of pretension adjustment module is connect with the upper end of two-tube interference system, the lower end of two-tube interference system It is connect with bottom motion module;
Measuring analysis module includes data collection processor, horizontal movement controller, and the horizontal movement controller makes Two-tube interference system does horizontal force and shakes movement, and the data collection processor can acquire two-tube interference system movement number According to.
Preferably, top movements module include guide chain, it is support frame, top horizontal sliding rail, top horizontal sliding block, vertical Positioning track, Power Component, vertical connector, radome fairing;
Measurement analysis module is connect with support frame, and the top of top horizontal sliding rail is arranged in support frame;
Top horizontal sliding rail is connect with guide chain;
Guide chain drives top horizontal sliding block to move on top horizontal sliding rail by Power Component, top horizontal sliding block It is connect with radome fairing;
Power Component is driven by horizontal movement controller;
Vertically oriented track is arranged on radome fairing, and vertical connector can slide on vertically oriented track.
Preferably, pretension adjustment module includes end coupling, stretcher fixed plate and pressure spring tension assembly;
One end of end coupling is connect with top movements module, the other end and the stretcher fixed plate phase of end coupling Connection, pressure spring tension assembly can adjust the motion tension of two-tube interference system.
Preferably, bottom motion module includes bottom level sliding rail, bottom level sliding block, bottom Power Component, vacation Bottom;
Bottom level sliding rail is arranged on false bottom, and bottom level sliding rail is parallel with top horizontal sliding rail, Bottom Power Component drives bottom level sliding block to slide on bottom level sliding rail, the direction of motion of bottom level sliding block, Rate is identical as top horizontal sliding block;
Bottom level sliding block is connected with two-tube interference system, and bottom Power Component is driven by horizontal movement controller.
Preferably, two-tube interference system includes two-tube relative position adjustment module, riser end adjustment module, deep sea vertical pipe Group module;
Deep sea vertical pipe group module is made of two standpipes, and the both ends of every standpipe are separately connected a riser end and adjust mould Block, the lower section of two-tube relative position adjustment module is arranged in the riser end adjustment module connecting with standpipe upper end, under standpipe The top of two-tube relative position adjustment module is arranged in the riser end adjustment module of end connection.
Preferably, two-tube relative position adjustment module includes two-tube position adjustable plate, supervisor's connecting flange device, looped pipeline company Acting flange device, center flange device, nut;
Supervisor's connecting flange device, looped pipeline connecting flange device are connected with a corresponding standpipe respectively;
Two-tube position adjustable plate is connected by center flange device with pretension adjustment module, on two-tube position adjustable plate It is provided with looped pipeline shifting chute, looped pipeline connecting flange device is fixed in the looped pipeline shifting chute by nut, two-tube to adjust Spacing.
Preferably, riser end adjustment module includes three component instrument sensors, riser end fixture, universal joint and screw;
The fixing end of universal joint is connect with riser end fixture, one end of the movable end of universal joint and three component instrument sensors The other end of connection, three component instrument sensors is connected with supervisor's connecting flange device or looped pipeline connecting flange device, three component The data of instrument sensor are acquired by data collection processor;
Riser end fixture clamps standpipe, and screw can adjust standpipe by connecting with the threaded hole of riser end fixture Clamped degree.
Preferably, the surface of standpipe is evenly arranged with fibre optical sensor, and fibre optical sensor can measure the movement of standpipe, light The data of fiber sensor are acquired by data collection processor.
Preferably, the measurement analysis module further includes video camera, display, is able to record the fortune of two-tube interference system It is dynamic;The display being capable of real-time monitoring experimental result.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the operating condition quantity that the present invention includes is more, great representativeness, and standpipe used is real work standpipe reduced scale, The vortex-induced vibration response condition of the work standpipe in real work can more be simulated;
2, the present invention more simplifies, convenient disassembly relative to other same devices, and operating condition conversion is easy, this is compared to other It is a huge progress for test device;
3, flexibility of the present invention is high, by the cooperation of pretension adjustment module and three component instrument sensors, it can be achieved that opposition Pipe pretension being precisely controlled and adjusting, can be adjusted according to actual condition.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of experimental provision provided by the invention;
Fig. 2 is the top structure figure of experimental provision provided by the invention;
Fig. 3 is the chart at the bottom of of experimental provision provided by the invention;
Fig. 4 is the structural schematic diagram of top movements module provided by the invention;
Fig. 5 is the structural schematic diagram of pretension adjustment module provided by the invention;
Fig. 6 is the structural schematic diagram of two-tube relative position adjustment module provided by the invention;
Fig. 7 is the side view of two-tube relative position adjustment module provided by the invention;
Fig. 8 is the structural schematic diagram of riser end adjustment module provided by the invention;
Fig. 9 is the scheme of installation of riser end provided by the invention;
Figure 10 is the structural schematic diagram of bottom motion module provided by the invention;
Figure 11 is the structural schematic diagram of deep sea vertical pipe provided by the invention.
It is shown in figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention Protection scope.
The present invention provides under a kind of dummy level forced oscillation state for deficiency existing for above-mentioned existing experimental provision Two-tube interference dynamic response experimental provision.Can two-tube interference dynamic response under dummy level forced oscillation state, and study it Response characteristic.With closing to reality situation, operating condition cover it is wide, the advantages that device convenient disassembly, save the cost.
Two-tube interference dynamic response experimental provision under a kind of dummy level forced oscillation state provided according to the present invention, packet Top movements module 1 is included, pretension adjustment module 2, two-tube interference system measure analysis module 7, bottom motion module 6;
The top of top movements module 1, top movements module 1 and pretension adjustment module 2 is arranged in measurement analysis module 7 One end connect in vertical direction, and position of the pretension adjustment module 2 in 1 horizontal direction of top movements module can adjust Section;
The other end of pretension adjustment module 2 is connect with the upper end of two-tube interference system, the lower end of two-tube interference system Portion is connect with bottom motion module 6;
Measuring analysis module 7 includes data collection processor, horizontal movement controller, and the horizontal movement control system is used In the movement of control Power Component and bottom Power Component, so that two-tube interference system, which does horizontal force, shakes movement, the number Two-tube interference system exercise data can be acquired according to Acquisition Processor.
Specifically, top movements module 1 includes guide chain 8, support frame 9, top horizontal sliding rail 10, top horizontal sliding block 11, vertically oriented track 12, Power Component 13, vertical connector 14, radome fairing 15;
Measurement analysis module 7 is connect with support frame 9, and the top of top horizontal sliding rail 10 is arranged in support frame 9;
Top horizontal sliding rail 10 is connect with guide chain 8;
Guide chain 8 drives top horizontal sliding block 11 to move on top horizontal sliding rail 10 by Power Component 13, top Horizontal slider 11 is connect with radome fairing 15;
Power Component 13 is driven by horizontal movement controller;
Vertically oriented track 12 is arranged on radome fairing 15, and vertical connector 14 can be slided on vertically oriented track 12 It is dynamic.
Specifically, pretension adjustment module 2 includes end coupling 16, stretcher fixed plate 17 and pressure spring tension assembly 18;
One end of end coupling 16 is connect with top movements module 1, and the other end and stretcher of end coupling 16 are solid Fixed board 17 is connected, and pressure spring tension assembly 18 can adjust the motion tension of two-tube interference system.The pretension adjustment module 2 Bottom connect with two-tube relative position adjustment module 3, by itself regulating system to standpipe pretension carry out fine adjustments.
Specifically, bottom motion module 6 includes bottom level sliding rail 31, bottom level sliding block 30, bottom power packages Part 29, false bottom 32;
Bottom level sliding rail 31 is arranged on false bottom 32, bottom level sliding rail 31 and top horizontal sliding rail 10 is parallel, and bottom Power Component 29 drives bottom level sliding block 30 to slide on bottom level sliding rail 31, and bottom water is smooth The direction of motion, the rate of block 30 are identical as top horizontal sliding block 11;
Bottom level sliding block 30 is connected with two-tube interference system, and bottom Power Component 29 is driven by horizontal movement controller It is dynamic.Bottom level sliding rail 31 is fixedly connected with false bottom 32, and false bottom 32 is steadily fixed on the vacation bottom of pond, and false bottom 32 has big Quality and stable feature, to guarantee the overall stability of experimental provision.
Specifically, two-tube interference system includes that two-tube relative position adjustment module 3, riser end adjustment module 4, deep-sea are vertical Pipe group module 5;
Deep sea vertical pipe group module 5 is made of two standpipes 35, and the both ends of every standpipe are separately connected a riser end tune Module 4 is saved, the lower section of two-tube relative position adjustment module 3 is arranged in the riser end adjustment module 4 connecting with 35 upper end of standpipe, The top of two-tube relative position adjustment module 3 is arranged in the riser end adjustment module 4 connecting with 35 lower end of standpipe.
Specifically, two-tube relative position adjustment module 3 include two-tube position adjustable plate 19, supervisor connecting flange device 21, Looped pipeline connecting flange device 22, center flange device 23, nut 24;
Supervisor's connecting flange device 21, looped pipeline connecting flange device 22 are connected with a corresponding standpipe 35 respectively
Two-tube position adjustable plate 19 is connected by center flange device 23 with pretension adjustment module 2, two-tube position tune Looped pipeline shifting chute 20 is provided on section plate 19, looped pipeline connecting flange device 22 is fixed on the looped pipeline shifting chute by nut 24 In 20, to adjust two-tube spacing.
Specifically, riser end adjustment module 4 includes three component instrument sensors 26, riser end fixture 27, universal joint 28 With screw 25;
The fixing end of universal joint 28 is connect with riser end fixture 27, the movable end of universal joint 28 and three component instrument sensors 26 one end connection, the other end and supervisor's connecting flange device 21 or looped pipeline connecting flange device 22 of three component instrument sensors 26 It is connected, the data of three component instrument sensors 26 are acquired by data collection processor;Three component instrument sensors 26 measure standpipe two End is axial, flows to and flow to vertical stress value;
Riser end fixture 27 clamps standpipe 35, and screw 25, can by connecting with the threaded hole of riser end fixture 27 Adjust the clamped degree of standpipe 35.
Specifically, the surface of standpipe 35 is evenly arranged with fibre optical sensor 36, and fibre optical sensor 36 can measure standpipe 35 Movement, the data of fibre optical sensor 36 acquire by data collection processor.
Specifically, the measurement analysis module 7 further includes video camera, display, is able to record the fortune of two-tube interference system It is dynamic;The display being capable of real-time monitoring experimental result.
The present invention is further elaborated below in conjunction with attached drawing.
As shown in figs. 1-11, the embodiment of the invention provides two-tube interference dynamic responses under a kind of dummy level forced oscillation Experimental provision includes top movements module 1, pretension adjustment module 2, two-tube relative position adjustment module 3, riser end adjusting Module 4, deep sea vertical pipe group module 5 measure analysis module 7, bottom motion module 6.
The measurement analysis module 7 is fixed in top movements module 1 by support frame 9, the top horizontal sliding Track 10 is connect with guide chain 8, and guide chain 8 drives top horizontal sliding block 11 sliding on horizontal sliding rail 10 by Power Component 13 Dynamic, top horizontal sliding block 11 and radome fairing 15 are affixed, and vertically oriented track 12 is fixed on radome fairing 15, vertical connector 14 Position can adjust and fix on vertically oriented track 12.
The pretension adjustment module 2 includes end coupling 16, stretcher fixed plate 17 and pressure spring tension assembly 18.End Portion's connector 16 and vertical connector 14 are fixed, and module bottom passes through top link 33 and two-tube relative position adjustment module 3 It is fixed.
The two-tube relative position adjustment module 3 includes two-tube position adjustable plate 19, supervisor connecting flange device 21, looped pipeline Connecting flange device 22, center flange device 23 and nut 24.The center flange device 23 at two-tube interference system both ends respectively with Top link 33 and bottom linker 34 are fixed, and fixed with two-tube position adjustable plate 19.It is responsible for connecting flange device 21 Fixed with nut 24 with two-tube 19 center of position adjustable plate, looped pipeline connecting flange device 22 is fixed on plate 19 by nut 24 In looped pipeline shifting chute 20.
The riser end adjustment module 4 includes three component instrument sensors 26, riser end fixture 27, universal joint 28 and spiral shell Silk 25.The three component instrument sensor 26 is connect with supervisor's connecting flange device of two-tube relative position adjustment module 3 and looped pipeline Flange apparatus is fixed, and the riser end fixture 27 is used for the fixation of 5 neutral tube 35 of deep sea vertical pipe group module.
The deep sea vertical pipe group module 5 is made of more standpipes 35 and its surface fibre optical sensor 36, fibre optical sensor 36 It is evenly arranged on each deep sea vertical pipe 35.Standpipe upper and lower side and riser end fixture 27 are fixed by screw 25.
The measurement analysis module 7 includes: data collection processor, motion controller and display.Wherein: described Data collection processor is used to acquire the data of each three component instrument sensor 26 of two-tube interference system, fibre optical sensor, described Kinetic control system is used to control the movement of Power Component 13 and bottom Power Component 29, and the display is used for real-time monitoring Experimental result.
The bottom motion module 6 includes: bottom level sliding rail 31, bottom level sliding block 30, bottom Power Component 29 and small false bottom 32.The bottom level sliding rail 30 is parallel with top horizontal sliding rail 10, and the bottom water is smooth Block 30 and bottom linker 34 are fixed.
This specific implementation working principle: before experiment, fiber-optic grating sensor being evenly arranged in deep sea vertical pipe group module, The both ends of standpipe are sequentially connected riser end adjustment module, two-tube relative position adjustment module.At the top of two-tube interference system and in advance Tension adjustment module, top movements module are affixed, and bottom is connected with bottom motion module., when test, by the lifting at false bottom Specified form is presented so that riser model reaches specified position with the movement of trailer, mould is adjusted by two-tube relative position Block adjusts standpipe spacing, controls motor by the computer in measurement analysis module, so that standpipe does horizontal forced oscillation campaign, stands The movement of pipe is recorded by high-speed camera, is strained by fiber sensor measuring, and data are transmitted to computer and are post-processed.
In experiment, due to the effect of the devices such as radome fairing, influence of the experimental provision in addition to standpipe to water flow is weakened, is protected The precision and accuracy of experiment are demonstrate,proved.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower" Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase Mutually combination.

Claims (9)

1. two-tube interference dynamic response experimental provision under a kind of dummy level forced oscillation state, which is characterized in that including top Motion module (1), pretension adjustment module (2), two-tube interference system measure analysis module (7), bottom motion module (6);
It measures analysis module (7) setting and adjusts mould in the top of top movements module (1), top movements module (1) and pretension One end of block (2) connects in vertical direction, and position of the pretension adjustment module (2) in top movements module (1) horizontal direction Setting can be adjusted;
The other end of pretension adjustment module (2) is connect with the upper end of two-tube interference system, the lower end of two-tube interference system It is connect with bottom motion module (6);
Measurement analysis module (7) includes data collection processor, horizontal movement controller, and the horizontal movement controller makes double Pipe interference system does horizontal force and shakes movement, and the data collection processor can acquire two-tube interference system exercise data.
2. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 1, special Sign is that top movements module (1) includes guide chain (8), support frame (9), top horizontal sliding rail (10), top horizontal sliding block (11), vertically oriented track (12), Power Component (13), vertical connector (14), radome fairing (15);
Measurement analysis module (7) is connect with support frame (9), and support frame (9) is arranged in the top of top horizontal sliding rail (10);
Top horizontal sliding rail (10) is connect with guide chain (8);
Guide chain (8) drives top horizontal sliding block (11) to move on top horizontal sliding rail (10) by Power Component (13), Top horizontal sliding block (11) is connect with radome fairing (15);
Power Component (13) is driven by horizontal movement controller;
Vertically oriented track (12) is arranged on radome fairing (15), and vertical connector (14) can be on vertically oriented track (12) Sliding.
3. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 1, special Sign is that pretension adjustment module (2) includes end coupling (16), stretcher fixed plate (17) and pressure spring tension assembly (18);
One end of end coupling (16) is connect with top movements module (1), the other end and stretcher of end coupling (16) Fixed plate (17) is connected, and pressure spring tension assembly (18) can adjust the motion tension of two-tube interference system.
4. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 2, special Sign is that bottom motion module (6) includes bottom level sliding rail (31), bottom level sliding block (30), bottom Power Component (29), false bottom (32);
Bottom level sliding rail (31) is arranged on false bottom (32), and bottom level sliding rail (31) and top horizontal slide rail In parallel, bottom Power Component (29) drives bottom level sliding block (30) to slide on bottom level sliding rail (31) in road (10), The direction of motion, the rate of bottom level sliding block (30) are identical as top horizontal sliding block (11);
Bottom level sliding block (30) is connected with two-tube interference system, and bottom Power Component (29) is driven by horizontal movement controller It is dynamic.
5. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 1, special Sign is that two-tube interference system includes two-tube relative position adjustment module (3), riser end adjustment module (4), deep sea vertical pipe group Module (5);
Deep sea vertical pipe group module (5) You Lianggen standpipe (35) composition, the both ends of every standpipe are separately connected a riser end tune It saves module (4), the riser end adjustment module (4) connecting with standpipe (35) upper end is arranged in two-tube relative position adjustment module (3) lower section, the riser end adjustment module (4) connecting with standpipe (35) lower end are arranged in two-tube relative position adjustment module (3) top.
6. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 5, special Sign is that two-tube relative position adjustment module (3) includes two-tube position adjustable plate (19), supervisor connecting flange device (21), pair Pipe connecting flange device (22), center flange device (23), nut (24);
Supervisor connecting flange device (21), looped pipeline connecting flange device (22) are connected with a corresponding standpipe (35) respectively;
Two-tube position adjustable plate (19) is connected by center flange device (23) with pretension adjustment module (2), two-tube position It is provided on adjustable plate (19) looped pipeline shifting chute (20), looped pipeline connecting flange device (22) is fixed on described by nut (24) In looped pipeline shifting chute (20), to adjust two-tube spacing.
7. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 5, special Sign is that riser end adjustment module (4) includes three component instrument sensors (26), riser end fixture (27), universal joint (28) With screw (25);
The fixing end of universal joint (28) is connect with riser end fixture (27), and the movable end of universal joint (28) and three component instrument sense One end of device (26) connects, the other end and supervisor connecting flange device (21) or the looped pipeline connection method of three component instrument sensors (26) Blue device (22) is connected, and the data of three component instrument sensors (26) are acquired by data collection processor;
Riser end fixture (27) clamp standpipe (35), screw (25) by being connect with the threaded hole of riser end fixture (27), The clamped degree of standpipe (35) can be adjusted.
8. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 5, special Sign is that the surface of standpipe (35) is evenly arranged with fibre optical sensor (36), and fibre optical sensor (36) can measure standpipe (35) Movement, the data of fibre optical sensor (36) acquire by data collection processor.
9. two-tube interference dynamic response experimental provision under dummy level forced oscillation state according to claim 1, special Sign is that the measurement analysis module (7) further includes video camera, display, is able to record the movement of two-tube interference system;It is described Display being capable of real-time monitoring experimental result.
CN201910272524.9A 2019-04-04 2019-04-04 Two-tube interference dynamic response experimental provision under dummy level forced oscillation state Pending CN110031168A (en)

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CN110823510A (en) * 2019-11-07 2020-02-21 哈尔滨工程大学 Marine flexible structure dynamic response experimental device under dynamic boundary condition

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