CN104123419B - A kind of molecular-electronics induction type accelerometer noise measuring method - Google Patents
A kind of molecular-electronics induction type accelerometer noise measuring method Download PDFInfo
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- CN104123419B CN104123419B CN201410354921.8A CN201410354921A CN104123419B CN 104123419 B CN104123419 B CN 104123419B CN 201410354921 A CN201410354921 A CN 201410354921A CN 104123419 B CN104123419 B CN 104123419B
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Abstract
The invention discloses a kind of molecular electronic induction type accelerometer noise measuring method in induction type inertia sensing technical field, including it is following：1）Establish this special Planck equation and the one-dimensional stable model of lamellar field comprising energy；2）According to sensing element design size, 1）The one-dimentional structure in one hole of accelerometer sensitive element is drawn in institute's established model；3）This four parameter values of input acceleration meter electrolyte conductivity, relative dielectric constant, density of electrolyte, viscosity；4）Can electrode, potential and boundary condition and constraint equation defined in this special Planck equation；5）The entrance defined in lamellar field, outlet, flow velocity and boundary condition and constraint equation；6）Mesh generation is carried out to solving domain；7）Calculate；8）The whole current density for solving domain is checked after calculating in the result, the present invention substantially increases efficiency of research and development, R＆D costs is saved, available in molecular electronic induction type accelerometer noise testing.
Description
Technical field
The present invention relates to a kind of molecular-electronics induction type accelerometer, more particularly to a kind of molecular-electronics induction type accelerates
Degree meter noise measuring method.
Background technology
Molecular-electronics induction type accelerometer is a kind of to utilize the new of molecular-electronics induction type inertia sensing fabrication techniques
Type acceleration transducer.Molecular-electronics induction type inertia sensing technology utilizes the convection effect and electricity of airtight cavity electrolyte inside
The caused ion concentration change of chemical reaction realizes the measurement to movement.Molecular-electronics induction type accelerometer, which includes, to be divided
Son-electron reaction chamber and exterior modulate circuit, wherein reaction chamber is the main source of accelerometer self-noise.Reaction chamber is by close
Seal cavity, sensing element and electrolyte to form, sensing element is the core of molecular-electronics induction type accelerometer, this is specially
The foundation of noise model is unfolded aiming at sensing element in profit.Sensing element is made of two pairs of porous electrodes, is placed on leaching
In the airtight cavity of full electrolyte, and certain potential is added between two pairs of electrodes.When the external world moves, electrolysis inside reaction chamber
Liquid stream crosses sensing element, and reversible electrochemical reaction occurs for anode and cathode in sensing element, and then causes between anode cathode
Curent change, the change by measuring two cathode currents can measure corresponding extraneous acceleration magnitude.
Traditional sensors noise analysis is non-by measurement sensor voltage noise or current noise power spectrum, this method
It is often accurate, but be required for producing actual sample every time to different design parameters, it is time-consuming and laborious and considerably increase research and development into
This.
The content of the invention
The object of the present invention is to provide a kind of molecular-electronics induction type accelerometer noise testing based on finite element analysis
Method, improves efficiency of research and development, reduces R＆D costs.
The object of the present invention is achieved like this：A kind of molecular-electronics induction type accelerometer noise measuring method, including
Following steps：
Step 1）The one-dimensional stable mould comprising energy Si Te-Planck equation and lamellar field is established in finite element analysis software
Type；
Step 2）According to sensing element design size, in step 1）Designed molecular-electronics sense is drawn in institute's established model
Answer the one-dimentional structure in one hole of formula accelerometer sensitive element；
Step 3）In step 1）Designed molecular-electronics induction type is inputted in energy Si Te-Planck equation and lamellar field
This four parameter values of accelerometer electrolyte conductivity, relative dielectric constant, density of electrolyte, viscosity；
Step 4）Electrode, potential and boundary condition and constraint equation defined in energy Si Te-Planck equation；
Step 5）The entrance defined in lamellar field, outlet, flow velocity and boundary condition and constraint equation；
Step 6）Mesh generation is carried out to solving domain；
Step 7）Calculate；
Step 8）The whole current density for solving domain is checked after calculating in the result；
Step 9）Molecular-electronics induction type under the design parameter is analyzed according to the proportional relation of current density and internal noise
Accelerometer internal noise is horizontal, the smaller corresponding molecular-electronics induction type accelerometer internal noise of current density numerical value
It is lower.
Further as the present invention limits, step 1）Specific method step it is as follows：
（1-1）COMSOL Multiphysics 4.3a are opened, in Model Wizard window selection 1-D, are clicked on
next；
（1-2）In Add physics windows：Select Fluid Flow>Single-Phase Flow>Laminar Flow
(spf), Add Selected are clicked on；Select Chemical Species Transport>Nernst-Planck Equations
(chnp), Add Selected are clicked on；
（1-3）In Dependent variables>3 are inputted in Number of species spaces, in Dependent
variables >Concentrations form first three rows input respectively：K, I-, I-3, click on Next；
（1-4）In Select Study Type windows, Preset Studies are selected>Stationary, is clicked on
Finish。
Further as the present invention limits, step 2）Specific method step it is as follows：
（2-1）Right click Geometry 1, selects B é zier Polygon, selection μm, Angular in Length unit
Degrees is selected in unit；
（2-2）In Graphics windows, with coordinate origin（0,0）For starting point, length is drawn successively along positive direction of the x-axis as 80
μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 80 μm of line segment；Then using coordinate as（500,0）Point be
Point, is 50 μm of line segments along the positive length of drawing of y-axis；Again using coordinate as（500,50）Point be starting point, draw length successively along x-axis negative sense
Spend for 80 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 80 μm of line segment；Last tie point（0,50）And point
（0,0）, all line segments form 500 μm one long, wide 50 μm of rectangle.
Further as the present invention limits, step 3）Specific method step it is as follows：
（3-1）In Model Builder windows, Material 1 (mat1) is clicked on>Basic(def)；
（3-2）In right side Output properties windows, Density input electrolyte density, Dynamic
Viscosity inputs viscosity, Relative permittivity input relative dielectric constants, Electrical
Conductivity input electrolyte conductivities.
Further as the present invention limits, step 4）Specific method step it is as follows：
（4-1）In Model Builder windows, right click Nernst-Planck Equations (chnp), select respectively
Electric Potential1、Electric Potential2、Inflow1、Outflow1、Concentration1、
Reactions1；
（4-2）Click on Nernst-Planck Equations (chnp)>Convection, Diffusion, and
Migration1.All domains are selected in the Domain Selection of right side, in Migration in Electric
Nernst-Einstein relation are selected in Field, 1, -1 is inputted respectively in Chargre number；
（4-3）Click on Nernst-Planck Equations (chnp)>Electric Insulation 1, on right side
Selection removes all line segments that length is 40 μm in Selection；
（4-4）Click on Nernst-Planck Equations (chnp)>No Flux1, in right side Domain
The two lines section at rectangle both ends is selected in Selection；
（4-5）Click on Nernst-Planck Equations (chnp)>Initial Values 1, in right side Domain
All domains are selected in Selection, corresponds to insert at I3 in Initial Values and 3600 is inserted at 40, I,
0 is filled out at Electric potential；
（4-6）Click on Nernst-Planck Equations (chnp)>Electric Potential 1, on right side
Manual is selected at Boundary Selection, rectangle four, both ends length is selected as 40 μm of line segment, in Electric
1.5 are inserted at Potential；
（4-7）Click on Nernst-Planck Equations (chnp)>Electric Potential 2, on right side
Manual is selected at Boundary Selection, it is 40 μm of line segment to select four length among rectangle, in Electric
0 is inserted at Potential；
（4-8）Click on Nernst-Planck Equations (chnp)>Inflow 1, in right side Boundary
Manual is selected at Selection, the rectangle left side is selected, 40,3600 is respectively filled at Concentration；
（4-9）Click on Nernst-Planck Equations (chnp)>Outflow 1, in right side Boundary
Manual is selected at Selection, is selected on the right of rectangle；
（4-10）Click on Nernst-Planck Equations (chnp)>Concentration 1, on right side
Manual is selected at Boundary Selection, the rectangle left side is selected, is chosen respectively at Concentration
Species I3 and Species I, and it is respectively filled in 40,3600；
（4-11）Click on Nernst-Planck Equations (chnp)>Reactions 1, in right side Boundary
Manual is selected at Selection, the rectangle left side is selected, -2e-5, -2e-8, -2e-5 is respectively filled at Reactions.
Further as the present invention limits, step 5）Specific method step it is as follows：
（5-1）Click on Laminar>Fluid Properties 1, All is selected in the Domain Selection of right side
domains；
（5-2）Click on Laminar>Wall 1, selects All domains in the Domain Selection of right side,
No slip are selected at Boundary Condition；
（5-3）Click on Laminar>Initial Values 1, All is selected in the Domain Selection of right side
Domains, in Initial Values>0,0 is respectively filled at Velocity field, 0 is inserted at Pressure；
（5-4）Click on Laminar>Inlet 1, selects Manual, selection length at the Boundary Selection of right side
The square left side, Velocity is selected at Boundary Condition, Normal inflow are clicked at Velocity
Velocity, and in U0Place's input 5e-6；
（5-5）Click on Laminar>Outlet 1, selects Manual, selection at the Boundary Selection of right side
On the right of rectangle, Pressure, no viscous stress, at Pressure are selected at Boundary Condition
Input 0.
Further as the present invention limits, step 6）Specific method step it is as follows：
（6-1）Mesh 1 is clicked on, User-controlled mesh are selected in Mesh Settings；
（6-2）Size is clicked on, General physics are selected at Element Size, click Predefined, is selected
Normal, inputs 0.0335,1.5e-4,1.3,0.3,1 respectively at Element Size Parameters, clicks on Build
All。
Further as the present invention limits, step 7）Specific method step it is as follows：
（7-1）Study 1 is clicked on, clicks on Compute.
Further as the present invention limits, step 8）Specific method step it is as follows：
（8-1）Click on Result>Electric Potential (chnp), select Contour 1, on right side
Expression window selection Replace Expression>Nernst-Plank Equations>Current Density,
Select x directions, you can check the current density for solving domain.
Compared with prior art, the beneficial effects of the present invention are what this patent provided utilizes finite element analysis software
The method that COMSOL Multiphysics establish noise model for molecular-electronics induction type accelerometer can be in known acceleration
The accelerometer noise situations under the design parameter are obtained in the case of the every design parameter of degree meter by Computer Simulation, are carried significantly
High efficiency of research and development, saves R＆D costs.The method of the present invention can pass through meter in the case of it need not produce accelerometer sample
Calculation machine emulates to obtain accelerometer internal noise situation in the case of certain design parameter, and the method for the present invention can be set with additional supplemental accelerometer
Meter, can be minimum by accelerometer internal noise level in the case of simulation analysis what design parameters.The present invention can be used for dividing
In son-electric induction type accelerometer noise testing.
Brief description of the drawings
Fig. 1 is the work flow diagram of the present invention.
Embodiment
With reference to specific embodiment, the present invention will be further described.
Here using density of electrolyte as 1473kg/m3, viscosity 0.00143P*s, relative dielectric constant 80.2, electricity
Exemplified by solving the molecular-electronics induction type accelerometer that liquid conductivity is 0.11845S/m, as the object of establishing of model, and to it
Noise measures.
A kind of molecular-electronics induction type accelerometer noise measuring method as shown in Figure 1, comprises the following steps：
Step 1）The one-dimensional stable mould comprising energy Si Te-Planck equation and lamellar field is established in finite element analysis software
Type.
（1-1）COMSOL Multiphysics 4.3a are opened, in Model Wizard window selection 1-D, are clicked on
next。
（1-2）In Add physics windows：Select Fluid Flow>Single-Phase Flow>Laminar Flow
(spf), Add Selected are clicked on；Select Chemical Species Transport>Nernst-Planck Equations
(chnp), Add Selected are clicked on.
（1-3）In Dependent variables>3 are inputted in Number of species spaces, in Dependent
variables >Concentrations form first three rows input respectively：K, I-, I-3, click on Next.
（1-4）In Select Study Type windows, Preset Studies are selected>Stationary, is clicked on
Finish。
Step 2）According to sensing element design size, in step 1）Designed molecular-electronics sense is drawn in institute's established model
Answer the one-dimentional structure in one hole of formula accelerometer sensitive element.
（2-1）Right click Geometry 1, selects B é zier Polygon, selection μm, Angular in Length unit
Degrees is selected in unit.
（2-2）In Graphics windows, with coordinate origin（0,0）For starting point, length is drawn successively along positive direction of the x-axis as 80
μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 80 μm of line segment；Then using coordinate as（500,0）Point be
Point, is 50 μm of line segments along the positive length of drawing of y-axis；Again using coordinate as（500,50）Point be starting point, draw length successively along x-axis negative sense
Spend for 80 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 80 μm of line segment.Last tie point（0,50）And point
（0,0）, all line segments form 500 μm one long, wide 50 μm of rectangle.
Step 3）In step 1）Designed molecular-electronics induction type is inputted in energy Si Te-Planck equation and lamellar field
This four parameter values of accelerometer electrolyte conductivity, relative dielectric constant, density of electrolyte, viscosity.
（3-1）In Model Builder windows, Material 1 (mat1) is clicked on>Basic(def).
（3-2）In right side Output properties windows, Density inputs 1473kg/m3, Dynamic
Viscosity inputs 0.00143P*s, and Relative permittivity input 80.2, Electrical conductivity
Input 0.11845S/m.
Step 4）Electrode, potential and boundary condition and constraint equation defined in energy Si Te-Planck equation.
（4-1）In Model Builder windows, right click Nernst-Planck Equations (chnp), select respectively
Electric Potential1、Electric Potential2、Inflow1、Outflow1、Concentration1、
Reactions1。
（4-2）Click on Nernst-Planck Equations (chnp)>Convection, Diffusion, and
Migration1；All domains are selected in the Domain Selection of right side, in Migration in Electric
Nernst-Einstein relation are selected in Field, 1, -1 is inputted respectively in Chargre number.
（4-3）Click on Nernst-Planck Equations (chnp)>Electric Insulation 1, on right side
Selection removes all line segments that length is 40 μm in Selection.
（4-4）Click on Nernst-Planck Equations (chnp)>No Flux1, in right side Domain
The two lines section at rectangle both ends is selected in Selection.
（4-5）Click on Nernst-Planck Equations (chnp)>Initial Values 1, in right side Domain
All domains are selected in Selection, corresponds to insert at I3 in Initial Values and 3600 is inserted at 40, I,
0 is filled out at Electric potential.
（4-6）Click on Nernst-Planck Equations (chnp)>Electric Potential 1, on right side
Manual is selected at Boundary Selection, rectangle four, both ends length is selected as 40 μm of line segment, in Electric
1.5 are inserted at Potential.
（4-7）Click on Nernst-Planck Equations (chnp)>Electric Potential 2, on right side
Manual is selected at Boundary Selection, it is 40 μm of line segment to select four length among rectangle, in Electric
0 is inserted at Potential.
（4-8）Click on Nernst-Planck Equations (chnp)>Inflow 1, in right side Boundary
Manual is selected at Selection, the rectangle left side is selected, 40,3600 is respectively filled at Concentration.
（4-9）Click on Nernst-Planck Equations (chnp)>Outflow 1, in right side Boundary
Manual is selected at Selection, is selected on the right of rectangle.
（4-10）Click on Nernst-Planck Equations (chnp)>Concentration 1, on right side
Manual is selected at Boundary Selection, the rectangle left side is selected, is chosen respectively at Concentration
Species I3 and Species I, and it is respectively filled in 40,3600.
（4-11）Click on Nernst-Planck Equations (chnp)>Reactions 1, in right side Boundary
Manual is selected at Selection, the rectangle left side is selected, -2e-5, -2e-8, -2e-5 is respectively filled at Reactions.
Step 5）The entrance defined in lamellar field, outlet, flow velocity and boundary condition and constraint equation.
（5-1）Click on Laminar>Fluid Properties 1, All is selected in the Domain Selection of right side
domains。
（5-2）Click on Laminar>Wall 1, selects All domains in the Domain Selection of right side,
No slip are selected at Boundary Condition.
（5-3）Click on Laminar>Initial Values 1, All is selected in the Domain Selection of right side
Domains, in Initial Values>0,0 is respectively filled at Velocity field, 0 is inserted at Pressure.
（5-4）Click on Laminar>Inlet 1, selects Manual, selection length at the Boundary Selection of right side
The square left side, Velocity is selected at Boundary Condition, Normal inflow are clicked at Velocity
Velocity, and in U0Place's input 5e-6.
（5-5）Click on Laminar>Outlet 1, selects Manual, selection at the Boundary Selection of right side
On the right of rectangle, Pressure, no viscous stress, at Pressure are selected at Boundary Condition
Input 0.
Step 6）Mesh generation is carried out to solving domain.
（6-1）Mesh 1 is clicked on, User-controlled mesh are selected in Mesh Settings.
（6-2）Size is clicked on, General physics are selected at Element Size, click Predefined, is selected
Normal, inputs 0.0335,1.5e-4,1.3,0.3,1 respectively at Element Size Parameters, clicks on Build
All。
Step 7）Calculate.
（7-1）Study 1 is clicked on, clicks on Compute.
Step 8）The whole current density for solving domain is checked after calculating in the result.
（8-1）Click on Result>Electric Potential (chnp), select Contour 1, on right side
Expression window selection Replace Expression>Nernst-Plank Equations>Current Density,
Select x directions, you can check the current density for solving domain.
Step 9）Accelerated according to molecular-electronics induction type under the relationship analysis of the current density and internal noise design parameter
Degree meter internal noise is horizontal, and the smaller corresponding molecular-electronics induction type accelerometer internal noise of current density numerical value is lower.
The invention is not limited in above-described embodiment, on the basis of technical solution disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can make one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (9)
1. a kind of molecular-electronics induction type accelerometer noise measuring method, it is characterised in that comprise the following steps：
Step 1）Established in finite element analysis software COMSOL Multiphysics comprising energy Si Te-Planck equation and layer
The one-dimensional stable model in flow field；
Step 2）According to sensing element design size, in step 1）Designed molecular-electronics induction type is drawn in institute's established model
The one-dimentional structure in one hole of accelerometer sensitive element；
Step 3）In step 1）Designed molecular-electronics induction type is inputted in energy Si Te-Planck equation and lamellar field to accelerate
Degree meter electrolyte conductivity, relative dielectric constant, density of electrolyte, viscosity this four parameter values；
Step 4）Electrode, potential and boundary condition and constraint equation defined in energy Si Te-Planck equation；
Step 5）The entrance defined in lamellar field, outlet, flow velocity and boundary condition and constraint equation；
Step 6）Mesh generation is carried out to solving domain；
Step 7）Calculate；
Step 8）The whole current density for solving domain is checked after calculating in the result；
Step 9）Molecular-electronics induction type acceleration under design parameter is analyzed according to the proportional relation of current density and internal noise
It is horizontal to count internal noise, the smaller corresponding molecular-electronics induction type accelerometer internal noise of current density numerical value is lower.
A kind of 2. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 1）Specific method step it is as follows：
（1-1）COMSOL Multiphysics 4.3a are opened, in Model Wizard window selection 1-D, click on next；
（1-2）In Add physics windows：Select Fluid Flow>Single-Phase Flow>Laminar Flow
(spf), Add Selected are clicked on；Select Chemical Species Transport>Nernst-Planck Equations
(chnp), Add Selected are clicked on；
（1-3）In Dependent variables>3 are inputted in Number of species spaces, in Dependent
variables >Concentrations form first three rows input respectively：K, I-, I-3, click on Next；
（1-4）In Select Study Type windows, Preset Studies are selected>Stationary, clicks on Finish.
A kind of 3. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 2）Specific method step it is as follows：
（2-1）Right click Geometry 1, selects B é zier Polygon, selection μm, Angular in Length unit
Degrees is selected in unit；
（2-2）In Graphics windows, with coordinate origin（0,0）For starting point, length is drawn successively along positive direction of the x-axis as 80 μm,
40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 80 μm of line segment；Then using coordinate as（500,0）Point be starting point,
It is 50 μm of line segments along the positive length of drawing of y-axis；Again using coordinate as（500,50）Point be starting point, draw length successively along x-axis negative sense
For 80 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 60 μm, 40 μm, 80 μm of line segment；Last tie point（0,50）And point（0,
0）, all line segments form 500 μm one long, wide 50 μm of rectangle.
A kind of 4. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 3）Specific method step it is as follows：
（3-1）In Model Builder windows, Material 1 (mat1) is clicked on>Basic(def)；
（3-2）In right side Output properties windows, Density input electrolyte density, Dynamic viscosity
Input viscosity, Relative permittivity input relative dielectric constants, Electrical conductivity inputs
Electrolyte conductivity.
A kind of 5. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 4）Specific method step it is as follows：
（4-1）In Model Builder windows, right click Nernst-Planck Equations (chnp), select respectively
Electric Potential1、Electric Potential2、Inflow1、Outflow1、Concentration1、
Reactions1；
（4-2）Click on Nernst-Planck Equations (chnp)>Convection, Diffusion, and
Migration1；All domains are selected in the Domain Selection of right side, in Migration in Electric
Nernst-Einstein relation are selected in Field, 1, -1 is inputted respectively in Chargre number；
（4-3）Click on Nernst-Planck Equations (chnp)>Electric Insulation 1, on right side
Selection removes all line segments that length is 40 μm in Selection；
（4-4）Click on Nernst-Planck Equations (chnp)>No Flux1, in the Domain Selection of right side
Select the two lines section at rectangle both ends；
（4-5）Click on Nernst-Planck Equations (chnp)>Initial Values 1, in right side Domain
All domains are selected in Selection, corresponds to insert at I3 in Initial Values and 3600 is inserted at 40, I,
0 is filled out at Electric potential；
（4-6）Click on Nernst-Planck Equations (chnp)>Electric Potential 1, on right side
Manual is selected at Boundary Selection, rectangle four, both ends length is selected as 40 μm of line segment, in Electric
1.5 are inserted at Potential；
（4-7）Click on Nernst-Planck Equations (chnp)>Electric Potential 2, on right side
Manual is selected at Boundary Selection, it is 40 μm of line segment to select four length among rectangle, in Electric
0 is inserted at Potential；
（4-8）Click on Nernst-Planck Equations (chnp)>Inflow 1, in right side Boundary Selection
Place's selection Manual, selects the rectangle left side, 40,3600 is respectively filled at Concentration；
（4-9）Click on Nernst-Planck Equations (chnp)>Outflow 1, in right side Boundary
Manual is selected at Selection, is selected on the right of rectangle；
（4-10）Click on Nernst-Planck Equations (chnp)>Concentration 1, in right side Boundary
Manual is selected at Selection, selects the rectangle left side, chosen respectively Concentration at Species I3 with
Species I, and it is respectively filled in 40,3600；
（4-11）Click on Nernst-Planck Equations (chnp)>Reactions 1, in right side Boundary
Manual is selected at Selection, the rectangle left side is selected, -2e-5, -2e-8, -2e-5 is respectively filled at Reactions.
A kind of 6. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 5）Specific method step it is as follows：
（5-1）Click on Laminar>Fluid Properties 1, All is selected in the Domain Selection of right side
domains；
（5-2）Click on Laminar>Wall 1, selects All domains in the Domain Selection of right side,
No slip are selected at Boundary Condition；
（5-3）Click on Laminar>Initial Values 1, All is selected in the Domain Selection of right side
Domains, in Initial Values>0,0 is respectively filled at Velocity field, 0 is inserted at Pressure；
（5-4）Click on Laminar>Inlet 1, selects Manual at the Boundary Selection of right side, selects rectangle
The left side, Velocity is selected at Boundary Condition, Normal inflow are clicked at Velocity
Velocity, and in U0Place's input 5e-6；
（5-5）Click on Laminar>Outlet 1, selects Manual at the Boundary Selection of right side, selects rectangular
On the right of shape, Pressure, no viscous stress are selected at Boundary Condition, is inputted at Pressure
0。
A kind of 7. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 6）Specific method step it is as follows：
（6-1）Mesh 1 is clicked on, User-controlled mesh are selected in Mesh Settings；
（6-2）Size is clicked on, General physics are selected at Element Size, click Predefined, is selected
Normal, inputs 0.0335,1.5e-4,1.3,0.3,1 respectively at Element Size Parameters, clicks on Build
All。
A kind of 8. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 7）Specific method step it is as follows：
（7-1）Study 1 is clicked on, clicks on Compute.
A kind of 9. molecular-electronics induction type accelerometer noise measuring method according to claim 1, it is characterised in that
Step 8）Specific method step it is as follows：
（8-1）Click on Result>Electric Potential (chnp), select Contour 1, in right side Expression windows
Mouth selection Replace Expression>Nernst-Plank Equations>Current Density, select x directions, i.e.,
It can check the current density for solving domain.
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1151526A (en) * | 1995-05-23 | 1997-06-11 | 富士电机株式会社 | Semiconductor-type accelerometer and method for evaluating properties of sensor element formed |
| CN102024085A (en) * | 2010-12-22 | 2011-04-20 | 北京航空航天大学 | Magnetic-structural coupling simulation method for quartz flexible accelerometer based on finite elements |
| CN103217554A (en) * | 2013-03-21 | 2013-07-24 | 天津大学 | Multi-accelerometer intelligent parameter identification, matching and hardware generative system and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151526A (en) * | 1995-05-23 | 1997-06-11 | 富士电机株式会社 | Semiconductor-type accelerometer and method for evaluating properties of sensor element formed |
| CN102024085A (en) * | 2010-12-22 | 2011-04-20 | 北京航空航天大学 | Magnetic-structural coupling simulation method for quartz flexible accelerometer based on finite elements |
| CN103217554A (en) * | 2013-03-21 | 2013-07-24 | 天津大学 | Multi-accelerometer intelligent parameter identification, matching and hardware generative system and system |
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Inventor after: Li Dayi Inventor after: Zhou Qiuzhan Inventor after: Chen Yongzhi Inventor after: Ji Shikun Inventor after: Wang Ning Inventor after: Zhao Baijun Inventor before: Zhou Qiuzhan Inventor before: Li Dayi Inventor before: Chen Yongzhi Inventor before: Ji Shikun Inventor before: Wang Ning |
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