All-terrain wind turbine layout simulation device and simulation method

Abstract

The invention discloses an all-terrain wind turbine layout simulation device and simulation method, and belongs to the technical field of wind turbine layout simulation equipment.The all-terrain wind turbine layout simulation device comprises a simulation table, the simulation table is circular, a movable groove is formed in the upper side face of the simulation table, and multiple sets of electric push rods are installed on the inner bottom wall, located in the movable groove, of the simulation table; connecting plates are fixedly installed at the telescopic ends of the multiple sets of electric push rods correspondingly, placing grooves are formed in the upper side faces of the multiple sets of connecting plates, and the electric push rods are controlled to ascend and descend through a controller, so that different parts of the rubber soft layer are pulled up into different shapes, and the rubber soft layer simulates a peak and a river; the wind turbine simulator can be installed in the telescopic end of the electric push rod under the cooperation of the first magnetic block and the second magnetic block, so that all-terrain wind turbine layout simulation is achieved under the cooperation of the annular blowing mechanism, and the operation conditions of the wind turbine under different terrain and wind speed conditions are simulated more quickly; a better reference is provided for the design and optimization of the wind power plant, and the loss of appliances is reduced.

Description

Technical Field

[0001] The invention relates to the field of wind turbine layout simulation equipment, and in particular to an all-terrain wind turbine layout simulation device and a simulation method. Background Art

[0002] The all-terrain wind turbine layout simulation device is mainly used to simulate the impact of different terrains (such as mountains, plains, oceans, etc.) on the layout and operating efficiency of wind turbines in laboratories or research environments. Through this device, researchers can evaluate the power generation performance of wind turbines under different terrain conditions, optimize the layout design of wind farms, and improve the utilization rate of wind power energy.

[0003] Traditional simulation tables generally have terrain simulators fixedly installed on the simulation table to achieve full-terrain simulation. However, each time the mountains and rivers are changed, a different model needs to be replaced, which not only wastes time during simulation, but also increases the loss of simulation equipment. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides an all-terrain wind turbine layout simulation device, which overcomes the shortcomings of the prior art and solves the problem that a traditional simulation table generally fixes a terrain simulator on the simulation table to achieve an all-terrain simulation. Each time the mountains and rivers are changed, a different model needs to be replaced, which not only wastes time during simulation, but also increases the loss of simulator tools.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an all-terrain wind turbine layout simulation device, comprising a simulation platform, the simulation platform is arranged in a circular shape, an active groove is provided on the upper side surface of the simulation platform, and a plurality of groups of electric push rods are installed on the inner bottom wall of the simulation platform located inside the active groove, and the telescopic ends of the plurality of groups of electric push rods are respectively fixedly installed with connecting plates, and placement grooves are provided on the upper side surfaces of the plurality of groups of connecting plates, and a first magnetic block is installed on the inner wall of the connecting plate located inside the placement groove, and a rubber soft layer is bonded to the upper end of the plurality of groups of connecting plates, and a second magnetic block is magnetically attracted to the upper end of the first magnetic block located above the rubber soft layer, and a mounting block is bonded to the outer wall of the second magnetic block, wherein a wind turbine simulator is installed on the upper end of several of the mounting blocks, a controller is installed on the outer wall of the simulation platform, and the controller is electrically connected to the electric push rod, a sealing mechanism for sealing the rubber soft layer is provided inside the simulation platform, and a ring-shaped blowing mechanism is provided on the upper end of the simulation platform.

[0006] By adopting the above technical solution, when in use, the controller controls the electric push rod to rise and fall, so that different parts of the rubber soft layer are pulled into different shapes, allowing the rubber soft layer to simulate mountains and rivers, and the wind turbine simulator can be installed in the telescopic end of the electric push rod with the cooperation of the first magnetic block and the second magnetic block, so as to achieve all-terrain wind turbine layout simulation with the cooperation of the annular wind blowing mechanism, and more quickly simulate the operation of wind turbines under different terrain and wind speed conditions, provide a better reference for the design and optimization of wind farms, and reduce the loss of equipment.

[0007] As a preferred technical solution of the present invention, the annular air blowing mechanism includes an electric slide rail, which is arranged in an annular shape and is fixedly installed on the upper end of the simulation platform.

[0008] By adopting the above technical solution, the electric slide rail can be fixed through the simulation table.

[0009] As a preferred technical solution of the present invention, an electric slider is slidably mounted on the outer wall of the electric slide rail, a fan body is mounted on the upper end of the electric slider, and the orientation of the fan body corresponds to the position of the wind turbine simulator.

[0010] By adopting the above technical solution, the electric slide rail can drive the electric slider to slide in a circular shape, and the electric slider can fix the fan body. The electric slider drives the fan body to rotate in a circular shape to blow air, which can better simulate the wind power of the wind turbine simulator.

[0011] As a preferred technical solution of the present invention, a micro battery is installed on the upper end of the electric slider, the micro battery is electrically connected to the fan body, and the electric slide rail, electric slider, micro battery and fan body are electrically connected.

[0012] By adopting the above technical solution, the electric slider can fix the micro battery, and the micro battery can supply power to the fan body.

[0013] As a preferred technical solution of the present invention, the sealing mechanism comprises a sealing groove, which is opened on the upper side of the simulation platform, and a pressure ring is pressed on the outer wall of the rubber soft layer inside the sealing groove.

[0014] By adopting the above technical solution, the sealing groove can be provided to accommodate the pressure ring, and when the pressure ring presses the rubber soft layer into the sealing groove, it can seal the interior of the simulation platform.

[0015] As a preferred technical solution of the present invention, the upper end of the pressure ring is fixedly connected with a fixing ring, and bolts are rotatably installed between the fixing ring and the inside of the pressure ring, and the bolts are threadedly connected to the inner wall of the simulation platform.

[0016] By adopting the above technical solution, the fixing ring, the pressure ring and the rubber soft layer can be fixed in the simulation platform by bolts, thereby locking the rubber soft layer.

[0017] As a preferred technical solution of the present invention, a main battery is installed at the lower end of the simulation table, and a plurality of groups of legs are installed at the lower end of the simulation table.

[0018] By adopting the above technical solution, the simulation table can fix the main battery, and the main battery can power the device, and the support legs can support the simulation table, and the distance between the support legs and the simulation table can store the main battery.

[0019] The all-terrain wind turbine layout simulation method comprises the following steps: Step 1: Confirm that the all-terrain wind turbine layout simulation device has been correctly installed in the designated position, all components are firmly connected, check whether the main battery is fully charged, ensure the power supply of the electric push rod, electric slide rail, electric slider, fan body and other equipment, and conduct preliminary debugging of the device through the controller to confirm that each component functions normally; Step 2: After the wind turbine simulator is installed, cover the rubber soft layer on the connecting plate to ensure that it fits tightly with the upper side of the simulation platform. Place the pressure ring in the sealing groove to effectively press the rubber soft layer. Turn the bolts to firmly fix the rubber soft layer on the simulation platform through the fixing ring and the pressure ring to form a sealing effect to prevent air leakage during blowing. Step 3: According to the terrain conditions and wind turbine layout to be simulated, the electric push rod is controlled by the controller to extend and retract, and the height of the connecting plate is adjusted, thereby changing the position of the wind turbine simulator on the simulation platform, and then the rubber soft layer is allowed to simulate the peaks and rivers, and the wind turbine simulator is installed on the mounting block at the designated position, and the magnetic force between the first magnetic block and the second magnetic block is used to ensure a stable connection; Step 4: Start the electric slide rail through the controller to move the electric slide rail to the initial position along the circular track. Set the wind force and direction of the fan body as needed. Start the micro battery to power the fan body through the controller at the same time, or directly power it through the power system of the electric slide rail. The fan body starts to work and generates simulated wind, the direction of which corresponds to the position of the wind turbine simulator to simulate the influence of different wind speeds and wind directions on the wind turbine. Under the action of the circular wind blowing mechanism, the wind turbine simulator starts to simulate operation. According to the set wind speed and wind direction conditions, the wind turbine simulator will simulate power generation. Observe and record the operating status of the wind turbine simulator, including parameters such as speed and power generation, to evaluate its performance under different terrain and wind speed conditions. Step 5: Collect and organize data during the simulation operation, conduct performance analysis, and adjust the layout, height, wind speed, wind direction and other parameters of the wind turbine simulator or the annular blower structure according to the analysis results to further optimize the simulation effect. After completing the simulation test, turn off all power supplies, stop the operation of the fan body and the electric slide rail, disassemble the wind turbine simulator, clean the rubber soft layer on the simulation table and the connecting plate and other components, and prepare for the next simulation test. Through this workflow, the all-terrain wind turbine layout simulation device can effectively simulate the operating conditions of wind turbines under different terrain and wind speed conditions, providing an important reference for the design and optimization of wind farms.

[0020] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention controls the electric push rod to rise and fall through a controller, so that different parts of the rubber soft layer are pulled up into different shapes, allowing the rubber soft layer to simulate mountains and rivers, and the wind turbine simulator can be installed in the telescopic end of the electric push rod with the cooperation of the first magnetic block and the second magnetic block, so as to achieve all-terrain wind turbine layout simulation with the cooperation of the annular wind blowing mechanism, and more quickly simulate the operation status of the wind turbine under different terrain and wind speed conditions, providing a better reference for the design and optimization of wind farms, and reducing the loss of equipment.

[0021] (2) The present invention presses the rubber soft layer into the sealing groove inside the simulation platform through the pressure ring, and then under the locking installation of the fixing ring and the bolt, it is ensured that the water inside the river terrain on the rubber soft layer falls into the simulation platform, thereby ensuring the normal operation of the simulation platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view schematic diagram of the present invention; Figure 2 It is a front view of a partial cross-sectional view of the present invention; Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle; Figure 4 For the present invention Figure 2 Enlarged view of point B in the middle; Figure 5 It is a schematic diagram of the front view of the connecting plate in the present invention; Figure 6 It is a partial cross-sectional view of the front view of the connecting plate in the present invention.

[0023] Description of reference numerals: 1. Simulation table; 2. Electric push rod; 3. Connecting plate; 4. First magnetic block; 5. Rubber soft layer; 6. Second magnetic block; 7. Mounting block; 8. Wind turbine simulator; 9. Pressing ring; 10. Fixing ring; 11. Bolt; 12. Electric slide rail; 13. Electric slider; 14. Micro battery; 15. Fan body; 16. Controller; 17. Support foot; 18. Main battery. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 2 and Figure 5-Figure 6 The all-terrain wind turbine layout simulation device includes a simulation platform 1, which is circular in shape. An active groove is provided on the upper side of the simulation platform 1. A plurality of electric push rods 2 are installed on the inner bottom wall of the simulation platform 1 inside the active groove. The telescopic ends of the plurality of electric push rods 2 are respectively fixedly installed with connecting plates 3. A placement groove is provided on the upper side of the plurality of connecting plates 3. A first magnetic block 4 is installed on the inner wall of the connecting plate 3 inside the placement groove. A rubber soft layer 5 is bonded to the upper end of the plurality of connecting plates 3. A second magnetic block 6 is magnetically attracted to the upper end of the first magnetic block 4 located above the rubber soft layer 5. A mounting block 7 is bonded to the outer wall of the second magnetic block 6. A wind turbine simulator 8 is installed on the upper ends of several mounting blocks 7. A controller is installed on the outer wall of the simulation platform 1. 16. The controller 16 is electrically connected to the electric push rod 2. A sealing mechanism for sealing the rubber soft layer 5 is arranged inside the simulation platform 1. An annular blower mechanism is arranged on the upper end of the simulation platform 1. The electric push rod 2 is controlled to rise and fall by the controller 16, so that different parts of the rubber soft layer 5 are pulled into different shapes, so that the rubber soft layer 5 simulates mountains and rivers. The wind turbine simulator 8 can be installed in the telescopic end of the electric push rod 2 with the cooperation of the first magnetic block 4 and the second magnetic block 6, so as to achieve all-terrain wind turbine layout simulation with the cooperation of the annular blower mechanism, and more quickly simulate the operation status of the wind turbine under different terrain and wind speed conditions, provide a better reference for the design and optimization of wind farms, and reduce the loss of equipment.

[0026] For details, see Figure 1-Figure 4The sealing mechanism includes a sealing groove, which is opened on the upper side of the simulation platform 1. A pressure ring 9 is pressed on the outer wall of the rubber soft layer 5 inside the sealing groove. The setting of the sealing groove can accommodate the pressure ring 9. When the pressure ring 9 presses the rubber soft layer 5 into the sealing groove, it can seal the inside of the simulation platform 1. A fixing ring 10 is fixedly connected to the upper end of the pressure ring 9. Bolts 11 are rotatably installed inside the fixing ring 10 and the pressure ring 9. The bolts 11 are threadedly connected to the inner wall of the simulation platform 1. The fixing ring 10, the pressure ring 9 and the rubber soft layer 5 can be fixed in the simulation platform 1 by the bolts 11, thereby locking the rubber soft layer 5.

[0027] For details, see Figure 1 and Figure 2 The annular blower mechanism includes an electric slide rail 12, which is arranged in a ring shape and is fixedly mounted on the upper end of the simulation platform 1. The simulation platform 1 can fix the electric slide rail 12. An electric slider 13 is slidably mounted on the outer wall of the electric slide rail 12. A fan body 15 is mounted on the upper end of the electric slider 13. The orientation of the fan body 15 corresponds to the position of the wind turbine simulator 8. The electric slide rail 12 can drive the electric slider 13 to slide in a ring shape, and the electric slider 13 can fix the fan body 15. The electric slider 13 drives the fan body 15 to rotate in a ring shape to blow air, so that the wind turbine simulator 8 can be better simulated by wind power. A micro battery 14 is mounted on the upper end of the electric slider 13. The micro battery 14 is electrically connected to the fan body 15. The electric slide rail 12, the electric slider 13, the micro battery 14 and the fan body 15 are electrically connected. The micro battery 14 can be fixed by the electric slider 13, and the micro battery 14 can power the fan body 15.

[0028] For details, see Figure 2 A main battery 18 is installed at the lower end of the simulation table 1. A plurality of sets of legs 17 are installed at the lower end of the simulation table 1. The simulation table 1 can fix the main battery 18, and the main battery 18 can supply power to the device. The legs 17 can support the simulation table 1, and the distance between the legs 17 and the simulation table 1 can store the main battery 18.

[0029] Working principle: When in use, confirm that the all-terrain wind turbine layout simulation device has been correctly installed in the designated position, all components are firmly connected, check whether the main battery 18 is fully charged, ensure the power supply of the electric push rod 2, the electric slide rail 12, the electric slider 13, the fan body 15 and other equipment, and conduct preliminary debugging of the device through the controller 16 to confirm that the functions of each component are normal; after the wind turbine simulator 8 is installed, cover the rubber soft layer 5 on the connecting plate 3 to ensure that it fits tightly with the upper side of the simulation platform 1, place the pressure ring 9 in the sealing groove, and make the rubber soft layer 5 is effectively pressed together, and the bolt 11 is turned to firmly fix the rubber soft layer 5 on the simulation platform 1 through the fixing ring 10 and the pressing ring 9 to form a sealing effect to prevent air leakage during blowing; according to the terrain conditions and wind turbine layout to be simulated, the electric push rod 2 is controlled to be extended and retracted through the controller 16 to adjust the height of the connecting plate 3, thereby changing the position of the wind turbine simulator 8 on the simulation platform 1, and then the rubber soft layer 5 simulates the mountain and the river, and the wind turbine simulator 8 is installed on the installation block 7 at the specified position, and the magnetic force between the first magnetic block 4 and the second magnetic block 6 is used to ensure a stable connection; The electric slide rail 12 is started by the controller 16 to move the electric slider 13 to the initial position along the circular track. The wind force and direction of the fan body 15 are set as needed. The micro battery 14 is started by the controller 16 to power the fan body 15, or the power is directly supplied by the power system of the electric slide rail 12. The fan body 15 starts to work and generates simulated wind, the direction of which corresponds to the position of the wind turbine simulator 8 to simulate the influence of different wind speeds and wind directions on the wind turbine. Under the action of the circular blowing mechanism, the wind turbine simulator 8 starts simulated operation. According to the set wind speed and wind direction conditions, the wind turbine simulator 8 will perform power generation simulation, observe and record the operating status of the wind turbine simulator 8, including parameters such as speed and power generation, so as to Evaluate its performance under different terrain and wind speed conditions; collect and organize data during the simulation operation, conduct performance analysis, and adjust the layout, height or wind speed, wind direction and other parameters of the wind turbine simulator 8 or the annular blower mechanism according to the analysis results to further optimize the simulation effect. After completing the simulation test, turn off all power supplies, stop the operation of the fan body 15 and the electric slide rail 12, disassemble the wind turbine simulator 8, clean the simulation table 1 and the rubber soft layer 5 on the connecting plate 3 and other components, and prepare for the next simulation test. Through this workflow, the all-terrain wind turbine layout simulation device can simulate the operating conditions of wind turbines under different terrain and wind speed conditions more quickly, provide a better reference for the design and optimization of wind farms, and reduce the loss of equipment.

[0030] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An all-terrain wind turbine layout simulation device, comprising a simulation platform (1), characterized in that: The simulation platform (1) is arranged in a circular shape, and a movable groove is provided on the upper side of the simulation platform (1). A plurality of electric push rods (2) are installed on the inner bottom wall of the simulation platform (1) located inside the movable groove. The telescopic ends of the plurality of electric push rods (2) are respectively fixedly installed with connecting plates (3). The upper side of the plurality of connecting plates (3) are provided with placement grooves, and the inner wall of the connecting plates (3) located inside the placement grooves is installed with a first magnetic block (4). The upper ends of the plurality of connecting plates (3) are bonded with a rubber soft layer (5), and the rubber soft layer (5) is fixedly installed on the inner wall of the rubber soft layer (5). The upper end of the first magnetic block (4) above the layer (5) is magnetically attracted to a second magnetic block (6), and the outer wall of the second magnetic block (6) is bonded with a mounting block (7), wherein the upper ends of several of the mounting blocks (7) are mounted with a wind turbine simulator (8), and the outer wall of the simulation platform (1) is mounted with a controller (16), and the controller (16) is electrically connected to the electric push rod (2), and the interior of the simulation platform (1) is provided with a sealing mechanism for sealing the rubber soft layer (5), and the upper end of the simulation platform (1) is provided with a ring-shaped hair blowing mechanism.

2. The all-terrain wind turbine layout simulation device according to claim 1, characterized in that: The annular air blowing mechanism comprises an electric slide rail (12), the electric slide rail (12) is arranged in an annular shape, and the electric slide rail (12) is fixedly mounted on the upper end of the simulation platform (1).

3. The all-terrain wind turbine layout simulation device according to claim 2, characterized in that: An electric slider (13) is slidably mounted on the outer wall of the electric slide rail (12), a fan body (15) is mounted on the upper end of the electric slider (13), and the orientation of the fan body (15) corresponds to the position of the wind turbine simulator (8).

4. The all-terrain wind turbine layout simulation device according to claim 3 is characterized in that: A micro battery (14) is installed at the upper end of the electric slider (13); the micro battery (14) is electrically connected to the fan body (15); and the electric slide rail (12), the electric slider (13), the micro battery (14) and the fan body (15) are electrically connected.

5. The all-terrain wind turbine layout simulation device according to claim 1, characterized in that: The sealing mechanism comprises a sealing groove, the sealing groove is opened on the upper side of the simulation platform (1), and a pressure ring (9) is pressed on the outer wall of the rubber soft layer (5) inside the sealing groove.

6. The all-terrain wind turbine layout simulation device according to claim 5, characterized in that: The upper end of the pressure ring (9) is fixedly connected to a fixing ring (10), and bolts (11) are rotatably mounted inside the fixing ring (10) and the pressure ring (9), and the bolts (11) are threadedly connected to the inner wall of the simulation platform (1).

7. The all-terrain wind turbine layout simulation device according to claim 6, characterized in that: A main storage battery (18) is installed at the lower end of the simulation platform (1), and a plurality of groups of supporting legs (17) are installed at the lower end of the simulation platform (1).

8. A method for simulating the layout of an all-terrain wind turbine, using the device for simulating the layout of an all-terrain wind turbine as claimed in claim 7, characterized in that: The steps include: Step 1: Confirm that the all-terrain wind turbine layout simulation device has been correctly installed in the designated position and that all components are firmly connected. Check whether the main battery (18) has sufficient power. Ensure that the electric push rod (2), the electric slide rail (12), the electric slider (13), the fan body (15) and other equipment have power supply. Perform preliminary debugging of the device through the controller (16) to confirm that each component functions normally. Step 2: After the wind turbine simulator (8) is installed, the rubber soft layer (5) is covered on the connecting plate (3) to ensure that it is tightly fitted with the upper side of the simulation platform (1), and the pressure ring (9) is placed in the sealing groove to effectively press the rubber soft layer (5), and the bolt (11) is turned to firmly fix the rubber soft layer (5) on the simulation platform (1) through the fixing ring (10) and the pressure ring (9) to form a sealing effect to prevent air leakage when blowing; Step 3: According to the terrain conditions and wind turbine layout to be simulated, the controller (16) controls the electric push rod (2) to extend and retract, and adjusts the height of the connecting plate (3), thereby changing the position of the wind turbine simulator (8) on the simulation platform (1), and then allows the rubber soft layer (5) to simulate the mountain and the river, and installs the wind turbine simulator (8) on the installation block (7) at the specified position, and uses the magnetic force between the first magnetic block (4) and the second magnetic block (6) to ensure a stable connection; Step 4: Start the electric slide rail (12) through the controller (16) to move the electric slider (13) along the circular track to the initial position. Set the wind force and direction of the fan body (15) as needed. Start the micro battery (14) through the controller (16) to power the fan body (15) at the same time, or directly power the fan body (15) through the power system of the electric slide rail (12). The fan body (15) starts to work and generates simulated wind, the direction of which corresponds to the position of the wind turbine simulator (8) to simulate the influence of different wind speeds and wind directions on the wind turbine. Under the action of the circular wind blowing mechanism, the wind turbine simulator (8) starts to simulate operation. According to the set wind speed and wind direction conditions, the wind turbine simulator (8) will simulate power generation. Observe and record the operating status of the wind turbine simulator (8), including parameters such as rotation speed and power generation, so as to evaluate its performance under different terrain and wind speed conditions. Step 5: Collect and organize the data during the simulation operation and conduct performance analysis. According to the analysis results, adjust the layout and height of the wind turbine simulator (8) or the wind speed and direction of the annular wind blowing mechanism to further optimize the simulation effect. After completing the simulation test, turn off all power supplies, stop the operation of the fan body (15) and the electric slide rail (12), disassemble the wind turbine simulator (8), clean the rubber soft layer (5) and other components on the simulation table (1) and the connecting plate (3), and prepare for the next simulation test, so as to achieve all-terrain wind turbine layout simulation.

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