CN108959690A - Buildings model window wall area based on BIM compares automatic optimization method - Google Patents
Buildings model window wall area based on BIM compares automatic optimization method Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/005—Modulation co-ordination
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/06—Multi-objective optimisation, e.g. Pareto optimisation using simulated annealing [SA], ant colony algorithms or genetic algorithms [GA]
Abstract
The present invention discloses a kind of buildings model window wall area based on BIM and compares automatic optimization method, comprising: step 1: extracting BIM model building enclosure parameter；Step 2: the storage of BIM model building enclosure parameter is into database；Step 3: the solar heat gain coefficient of shape coefficient of architecture, the heat transfer coefficient of window, window is calculated in inquiry database, the climate region of building information of Class A public building is obtained according to Study on Climate Division and weather sub-district type list；Step 4: same clan's type of the window race according to the solar heat gain coefficient of climate region of building information, shape coefficient of architecture, the heat transfer coefficient of window and window by window wall area than meeting code requirement according to acquisition；Step 5: carrying out window wall area compares Automatic Optimal.The present invention aperture of window can keep the design of building more reasonable, facilitate optimization of the architectural design personnel to buildings model in Automatic Optimal buildings model for Class A public building to make specification of the building window wall area than meeting public building energy design standard.
Description
Technical field
The invention belongs to Computer-aided Design Technology field, in particular to a kind of buildings model window metope based on BIM
Product compares automatic optimization method.
Background technique
BIM is to be integrated with the project data mould of the various relevant informations of construction-engineering project based on 3-dimensional digital technology
Type, to the digital expression of engineering project infrastructure entities and functional characteristic[1]。
All products of Autodesk Revit all provide API, and advanced level user and third party developer can pass through Revit
Their application program is integrated into Autodesk Revit series of products by API.Pass through Revit api interface, SDK development kit
And Visual Studio2015, the relevant operation to Revit model is write using C# and is instructed, to realize the figure to BIM model
Data and supplemental characteristic access are extracted and are modified.
Currently, BIM technology gradually popularized and used at home by public building field, with to specific function demand
Increase, domestic scholars have begun working on BIM secondary exploitation technology, facilitate designer to building by BIM secondary exploitation technology
Build model Design and optimization and other softwares with and.Land-sea swallow etc. is in the frame structure Study on Parameterization Design based on BIM
In, by AutoCad and BIM software secondary development, and using Excel as data storage and supplement input tool, realize
In X-Y scheme in Satwe calculated result and structural working drawing structural elements information extraction, complete frame structure arrangement of reinforcement
Optimization design and BIM three-dimensional automatic modeling and Interactive Design[1]；Wei Zhiyi etc. is ground in the data-driven modeling method based on BIM
In studying carefully, by taking certain Hospital Project municipal pipeline building project as an example, proposes and directly drive building BIM model with data, that is, pass through
Secondary development to Revit carries out Parametric designing, the method that data information is directly changed into BIM model to component[2]；Qiu
Wave etc. passes through the Revit platform of autodesk, inc., and the secondary development plug-in unit of Bridge Design is completed using C# language, realizes bridge
Basic parameter is automated by the complete bridge model after command cue input and is generated[3]；Liu Jifan is hung in the pipeline branch based on BIM
All kinds of suspension and support model libraries are created by secondary development for platform by BIM software REVIT in frame auxiliary arrangement system,
Suspension and support model is directly added on pipe design graph model, and pipe-hanger support is checked safely and is combined with 3D solid arrangement, essence
Accurately determine suspension and support position and intuitively show, the fineness of construction is improved, while providing material statistical function, for design side
The ratio of case selects and optimization is provided convenience[4]。
The major peripheral protection structure of window and wall as building has significant impact for the energy consumption of heating air conditioning building；
By the heat consumption of window wall, 80% or more of heating building total heat consumption is usually accounted for[5], general ordinary window is (including balcony door
Transparent part) thermal and insulating performance it is more far short of what is expected than exterior wall, window wall area ratio is bigger, and heating and air conditioning energy consumption are also bigger.Therefore,
From the angle for reducing building energy consumption, the area ratio for reasonably selecting window specifically has great significance to building energy conservation[6]。
Summary of the invention
The buildings model window wall area based on BIM that the purpose of the present invention is to provide a kind of is than automatic optimization method, with solution
Certainly above-mentioned technical problem.
To achieve the goals above, the present invention adopts the following technical scheme:
Buildings model window wall area based on BIM compares automatic optimization method, comprising the following steps:
Step 1: obtaining Class A public building BIM model by computer；By building enclosure parameter extracting method, mention
Take BIM model building enclosure parameter；
Step 2: being stored the BIM model building enclosure parameter of extraction by building enclosure parameter storage method to data
In library；
Step 3: inquiry database, obtains the extracting parameter in window, room in database, calculates building body
Type coefficient, the heat transfer coefficient of window, window solar heat gain coefficient, Class A is obtained according to Study on Climate Division and weather sub-district type list
The climate region of building information of public building；
Step 4: being obtained according to the sun of climate region of building information, shape coefficient of architecture, the heat transfer coefficient of window and window
Same clan's type of window race of the hot coefficient by window wall area than meeting code requirement according to acquisition；
Step 5: carrying out window wall area compares Automatic Optimal.
Further, BIM model building enclosure parameter in the first step, specific as follows:
Wall: element ID, element term, place floor, area, length, height, thickness, direction vector, heat transfer coefficient, heat
Quality, thermal resistance, absorptivity, material ID coding, annotation；
Floor: element ID, element term, place floor, area, length, width, thickness, heat transfer coefficient, thermal mass, heat
Resistance, absorptivity, thickness, material ID coding；
Window: element ID, element term, place floor, host, area, heat transfer coefficient, thermal resistance, daylight obtain hot coefficient, visible
Light transmission rate, material ID coding；
Door: element ID, element term, place floor, host, area, heat transfer coefficient, thermal resistance, daylight obtain hot coefficient, visible
Light transmission rate, material ID coding；
Roof: element ID, element term, place floor, area, heat transfer coefficient, thermal mass, thermal resistance, absorptivity, thickness,
Roof pitch, material ID coding；
Material parameters: material ID, title material, pyroconductivity, behavior, permeability, porosity, reflectivity, resistivity, it is
It is no that there is translucency, heat of vaporization, emissivity, density, specific heat；
Room: room ID, room title, place floor, room volume, room boundaries ID coding.
Further, the step of BIM model building enclosure parameter is extracted in the first step are as follows:
The RevitAPI interface of BIM provides element collector FilteredElementCollector class, class filter
ElementClassFilter class, classification filter ElementCategoryFilter class and logic filters
LogicalAndFilter class；Pass through the specified building enclosure element of the constructed fuction setting of ElementClassFilter class
Filter, and the filter after setting is put into logic filters LogicalAndFilter class, pass through collector
WherePasses (LogicalAndFilter la) method of FilteredElementCollector class obtains specified enclose
Protection structure element instance set；Then obtained building enclosure element instance set, and the member provided with RevitAPI are provided
Plain get_Parameter (Built_in param) method, the param for changing element are obtained in building enclosure element instance set
The param parameter of each element assignment.
Further, second step specifically includes:
A): judging in database with the presence or absence of database parameters, if there is no then carrying out second step；Otherwise it deletes
Except database parameters, second step is then carried out；
B): creation database parameters, and wall, floor, roof, material, window, door, room parameter is respectively created
Table；
C): storing the parameter of extracted building enclosure element instance.
Further, step 3 to step 4 includes:
1), shape coefficient of architecture is sought:
1.1, wall parameter list is inquired, the area for obtaining East, West, South, North facade exterior wall is respectively Ae、Aw、As、An；
1.2, inquiry roof parameter list obtains roof surface product Ar；
1.3, inquiry room parameter list obtain each room volume andWherein i represents i-th of room；
Then calculate to obtain shape coefficient of building:
2), heat transfer coefficient, solar heat gain coefficient are sought:
It inquires database parameters and obtains the Coefficient K of window, solar heat gain coefficient SHGC；
3), by building type, place subregion, shape coefficient of architecture Ct, Coefficient K, solar heat gain coefficient SHGC determine
Certain towards external wall elevation window-wall ratio limit value be (a, b]；
4) it, is respectively sought towards the external wall elevation window gross area:
Inquire the window gross area A that wall parameter list obtains East, West, South, North facade exterior wallew、Aww、Asw、Anw。
Further, the 5th step specifically includes:
Work as aAsWindow Zong Mian Ji≤bA of < exterior wallsWhen, meet in " public building energy design standard " GB50189-2015
The requirement of window wall area limit ratio, without modification to the window of the wall, output " window wall area is more reasonable than designing, without optimizing "；
As window Zong Mian Ji≤aA of exterior wallsOr the window gross area > bA of exterior wallsWhen, do not meet that " public building energy is set
Meter standard " window wall area limit ratio requirement in GB50189-2015, read the area A for the different window same clan type mutually studied in the same school under racef,
And assume that the window same clan type read is the window that replacement needs to optimize, until meeting window wall area limit ratio, then by the vertical plane wall
Example window type changes the window type for meeting window wall area limit ratio into；If not meeting specification in same clan's type of BIM window race to want
Same clan's type of the window race asked then exports " window wall area is more unreasonable than designing, and when optimization does not find reasonable window same clan type ".
Compared with the existing technology, the invention has the following advantages: the present invention passes through BIM secondary exploitation technology, for
Class A public building can in Automatic Optimal buildings model window aperture, so that building window wall area ratio be made to reach public building
The code requirement of energy saving igniter keeps the design of building more reasonable, to facilitate architectural design personnel to buildings model
Optimization.
Detailed description of the invention
Fig. 1 is a kind of buildings model window wall area based on BIM of the present invention than automatic optimization method flow chart；
Fig. 2 is the parameter extraction process of basic element；
Fig. 3 is BIM model building enclosure parameter Stored Procedure；
Fig. 4 is window wall area than Automatic Optimal implementation flow chart；
Fig. 5 is Building Information Model.
Specific embodiment
2.1 buildings model window wall areas are than Automatic Optimal process
Refering to Figure 1, the window wall area of Class A public building BIM model is than automatic optimization method, including following step
It is rapid:
Step 1: extracting BIM model building enclosure parameter by the building enclosure parameter extracting method in 2.2.1 section；
Step 2: the BIM model building enclosure parameter of extraction is passed through the building enclosure parameter storage method in 2.2.2 section
It stores in database；
Step 3: inquiry database, obtains the extracting parameter in window, room in database, calculates building body
Type coefficient, the heat transfer coefficient of window, window solar heat gain coefficient, Class A is obtained according to Study on Climate Division and weather sub-district type list
The climate region of building information of public building；
Step 4: being obtained according to the sun of climate region of building information, shape coefficient of architecture, the heat transfer coefficient of window and window
Same clan's type of window race of the hot coefficient by the window wall area of 2.3.1 than meeting code requirement according to acquisition；
Step 5: man-machine interface shows that " window wall area is than designing reasonable, nothing if window wall area is than suitable in design
It needs to optimize "；It, will with ChangeTypeId () function in Revit api interface if window wall area is than improper in design
Same clan's type of the window model instance of corresponding alien invasion wall replaces with the same clan's type for meeting the window race of code requirement, if BIM window
Same clan's type of the window race of code requirement is not met in same clan's type of race, then man-machine interface shows that " window wall area is not than design
Rationally, reasonable window same clan type is not found when optimization ".
Core content of the present invention: BIM model building enclosure parameter extraction and database is introduced respectively below as flow chart
Storage system, window wall area compare optimization method.
2.2BIM model building enclosure parameter extraction and storage system
According to position between floors, building enclosure is divided into peripheral structure and interior building enclosure.Peripheral structure includes
Exterior wall, roof, side window, external door etc., to resist the elements, temperature change, solar radiation etc., should have heat preservation, heat-insulated, sound insulation,
Waterproof, moisture-proof, fire resisting, resistance to performance of waiting so long.Interior building enclosure such as partition wall, floor and interior door and window etc. play space behavior in compartment,
There should be sound insulation, every sight and the performance of certain particular/special requirements[7]。
The present invention extracts and the building enclosure element instance major parameter item of storage is as follows:
1. wall: element ID, element term, place floor, area, length, height, thickness, direction vector, heat transfer coefficient,
Thermal mass, thermal resistance, absorptivity, the ID coding (material 1ID_ material 2ID_ material 3ID_...) of material, annotation；
2. floor: element ID, element term, place floor, area, length, width, thickness, heat transfer coefficient, thermal mass,
Thermal resistance, absorptivity, thickness, material ID coding；
3. window: element ID, element term, place floor, host, area, heat transfer coefficient, thermal resistance, daylight obtain hot coefficient, can
Light-exposed transmitance, material ID coding；
4. door: element ID, element term, place floor, host, area, heat transfer coefficient, thermal resistance, daylight obtain hot coefficient, can
Light-exposed transmitance, material ID coding；
5. roof: element ID, element term, place floor, area, heat transfer coefficient, thermal mass, thermal resistance, absorptivity, thickness
Degree, roof pitch, material ID coding；
6. material parameters: material ID, title material, pyroconductivity, behavior, permeability, porosity, reflectivity, resistivity,
Whether there is translucency, heat of vaporization, emissivity, density, specific heat；
7. room: room ID, room title, place floor, room volume, room boundaries ID encode the (ID_ on boundary 1
The ID_... on the boundary ID_ 3 on boundary 2).
2.2.1BIM model building enclosure parameter extraction
The RevitAPI interface of BIM provides element collector FilteredElementCollector class, class filter
ElementClassFilter class, classification filter ElementCategoryFilter class and logic filters
LogicalAndFilter class.Pass through the specified building enclosure element of the constructed fuction setting of ElementClassFilter class
The filter of (wall, window, floor), and the filter after setting is put into logic filters LogicalAndFilter class,
It is obtained by WherePasses (LogicalAndFilter la) method of collector FilteredElementCollector class
The building enclosure element instance set that must be specified, such as the set that all window instance elements form in model；Then it traverses
Obtained building enclosure element instance set, and the element get_Parameter (Built_in provided with RevitAPI
Param) method, the param for changing element can obtain the param ginseng of each element assignment in building enclosure element instance set
Number, the param of common elements parameter is as shown in the table, and it is as shown in Figure 2 that basic parameter extracts process.
The corresponding param of 1 element parameter of table
2.2.2BIM model building enclosure parameter stores
The parameter that MySQL storage in maintenance data library of the present invention is extracted, is enclosed due to extracted for different buildings models
The parameter of protection structure element is different, so main storing step is successively as follows:
Step 1: judge in database with the presence or absence of database parameters, if there is no then carrying out second step；It is no
Database parameters is then deleted, second step is then carried out.
Step 2: creation database parameters, and wall, floor, roof, material, window, door, room is respectively created
Parameter list.
Step 3: storing the parameter of extracted building enclosure element instance.
BIM model building enclosure parameter Stored Procedure is as shown in Figure 3.
2.3 window wall areas compare optimization method
2.3.1 window wall area ratio foundation
" public building energy design standard " the 3.3.1-3.3.2 articles of GB50189-2015 is, it is specified that Class A public building
Each area's public building window wall area limit ratio, the window-wall ratio limit value of collated Class A public building partial-partition such as the following table 1, table 2
It is shown.
1 severe cold A, B area Class A public building window wall area limit ratio of table
2 area severe cold C Class A public building window wall area limit ratio of table
2.3.2 window wall area is realized than optimization
Realization of the present invention to window wall area than optimization is to optimize calculating by query argument database, and through following acquisition
Relevant parameter method obtains shape coefficient of building Ct, window's heat transfer coefficient K, the sun hot coefficient S HGC, according to " public building section
Can design standard " the 3.3.1-3.3.2 articles of GB50189-2015 of specification find certain towards external wall elevation window-wall ratio limit value be (a,
B], and whether window wall area than meets the window-wall ratio limit value requirement in judgment models, if met without modification, if be not inconsistent
It closes, is traversed with different same clan's types under window race, when there is satisfactory window type, then by BIM secondary exploitation technology
The window same clan type that needs in substitution model optimize makes window wall area ratio meet code requirement.
After obtaining parameter database parameters, wall parameter list, roof in query argument database parameters
It is as follows that parameter list, room parameter list, window parameter list obtain optimization calculating relevant parameter:
(1) climate region of building and weather sub-district type obtain
The type list of Study on Climate Division and weather sub-district is as shown in table 3 below, according to " public building energy design standard "
GB50189-2015 looks into Study on Climate Division where the building.
3 Study on Climate Division of table and weather sub-district type list
Study on Climate Division and weather child partition and the vertical plane wall optimized of optimised building are selected by man-machine interface.
(2) shape coefficient of architecture is sought
1. inquiring wall parameter list, the area for obtaining East, West, South, North facade exterior wall is respectively Ae、Aw、As、An；
2. inquiring roof parameter list obtains roof surface product Ar；
3. inquire room parameter list obtain each room volume andWherein i represents i-th of room；
Then calculate to obtain shape coefficient of building:
(3) heat transfer coefficient, solar heat gain coefficient are sought
It inquires database parameters and obtains the Coefficient K of window, solar heat gain coefficient SHGC；
(4) by building type, place subregion, shape coefficient of architecture Ct, Coefficient K, solar heat gain coefficient SHGC determine
Certain towards external wall elevation window-wall ratio limit value be (a, b].
(5) it is respectively sought towards the external wall elevation window gross area
Inquire the window gross area A that wall parameter list obtains East, West, South, North facade exterior wallew、Aww、Asw、Anw。
(6) judge and modify the window type of window
On the south for wall:
1. working as aAs<Asw≦bAsWhen, meet window wall area ratio in " public building energy design standard " GB50189-2015
Limit value requirement, without modification to the window of the south elevation wall, and man-machine interface show that " window wall area is more reasonable than design, is not necessarily to excellent
Change "；
2. working as Asw≦aAsOr Asw>bAsWhen, do not meet window wall in " public building energy design standard " GB50189-2015
The requirement of area limit ratio, reads the area A for the different window same clan type mutually studied in the same school under racef, and assume read window same clan type be for
It changes and the window optimized is needed then to change the example window type of the vertical plane wall into until meeting window wall area limit ratio and meet window metope
The window type of product limit ratio；It is man-machine if not meeting same clan's type of the window race of code requirement in same clan's type of BIM window race
Interface prompt shows " window wall area is more unreasonable than designing, and when optimization does not find reasonable window same clan type ".
(7) human-computer interaction interface shows following parameter
1. architecture information: external surface area, total volume, Shape Coefficient；
2. optimization front and back information: the heat transfer coefficient of window, the hot coefficient of the sun, the exterior wall gross area, code requirement window wall
Area limit ratio requires, the optimization front window gross area, optimizes the window gross area, optimization rear window wall after front window wall area ratio, optimization
Area ratio.
2.4 verifyings and operation result analysis
For the buildings model shown in Fig. 5, which is Class A public building, is located in the area severe cold A.The length of the building
Degree: 16m, width: 16m, height: 8m, volume: 2164m3, roof surface product: 292m2；
South elevation outer wall window race in roof building model: sliding window 2- band veneer, window same clan type: 1.2m × 0.9m,
Window's heat transfer coefficient: 2.1886W/ (m2.K), window solar heat gain coefficient: 0.78.
2.4.1 the calculated results
(1) it calculates and seeks Shape Coefficient Ct
Building exterior wall surface product: Sb=16 × 8 × 4+292=804m2
Then Shape Coefficient: Ct=804/2164=0.37
(2) it calculates and seeks south elevation window wall area ratio Cw
The window gross area: Sd=1.2 × 0.9 × 8=8.64m2
South elevation exterior wall area: Sl=16 × 8=128m2
South elevation outer wall window wall area ratio: Cw=8.64/128=0.0675
(3) according to the area severe cold A Class A public building, Shape Coefficient Ct: 0.37, window's heat transfer coefficient: 2.1886W/
(m2.K), window solar heat gain coefficient: 0.78, window-wall ratio limit value known to look-up table 1 be (0.2,0.3], calculate gained with practical
South elevation window wall area ratio Cw；0.0675 gap is larger, needs to optimize window model in building.
(4) the sliding window 2- for being loaded into window race of window has with same clan's type of veneer race in buildings model: 900mm ×
1200mm、1200mm×900mm、1200mm×1200mm、1500mm×1200mm、1800mm×1500mm、2100mm×
1800mm。
By the building south elevation window-wall ratio limit value be (0.2,0.3], can obtain the building south elevation window gross area limit ratio is
(26,38.4], then satisfactory window type area limit value be (3.2,4.8], the sliding window 2- band veneer race of above-mentioned window race
Same clan's type in satisfactory have: 2100mm × 1800mm.
So same clan's type of window example in buildings model is changed to 2100mm × 1800mm, method by the method for the present invention
It is rationally accurate.
The present invention utilizes BIM secondary exploitation technology, has built building enclosure parameter extraction and database storage system, and
On the basis of this, window wall area is obtained than parameter required for optimization algorithm, through window metope by data base querying and acquisition methods
Satisfactory window same clan type is calculated than optimization algorithm in product, and the window same clan type is passed through BIM secondary exploitation technology
Back to BIM buildings model, buildings model is modified automatically, to be that window wall area ratio meets code requirement, reaches energy saving mesh
, facilitate optimization of the architectural design to building.
Claims (6)
1. the buildings model window wall area based on BIM compares automatic optimization method, which comprises the following steps:
Step 1: obtaining Class A public building BIM model by computer；By building enclosure parameter extracting method, BIM is extracted
Model building enclosure parameter；
Step 2: being stored the BIM model building enclosure parameter of extraction by building enclosure parameter storage method into database；
Step 3: inquiry database, obtains the extracting parameter in window, room in database, calculates building shape system
It is public to obtain Class A according to Study on Climate Division and weather sub-district type list for the solar heat gain coefficient of number, the heat transfer coefficient of window, window
The climate region of building information of building；
Step 4: obtaining hot system according to the sun of climate region of building information, shape coefficient of architecture, the heat transfer coefficient of window and window
Same clan's type of window race of the number by window wall area than meeting code requirement according to acquisition；
Step 5: carrying out window wall area compares Automatic Optimal.
2. the buildings model window wall area according to claim 1 based on BIM compares automatic optimization method, which is characterized in that
BIM model building enclosure parameter in the first step, specific as follows:
Wall: element ID, element term, place floor, area, length, height, thickness, direction vector, heat transfer coefficient, thermal mass,
Thermal resistance, absorptivity, material ID coding, annotation；
Floor: element ID, element term, place floor, area, length, width, thickness, heat transfer coefficient, thermal mass, thermal resistance, suction
Yield, thickness, material ID coding；
Window: element ID, element term, place floor, host, area, heat transfer coefficient, thermal resistance, that daylight obtains hot coefficient, visible light is saturating
Cross rate, material ID coding；
Door: element ID, element term, place floor, host, area, heat transfer coefficient, thermal resistance, that daylight obtains hot coefficient, visible light is saturating
Cross rate, material ID coding；
Roof: element ID, element term, place floor, area, heat transfer coefficient, thermal mass, thermal resistance, absorptivity, thickness, roof
The gradient, material ID coding；
Material parameters: material ID, title material, pyroconductivity, behavior, permeability, porosity, reflectivity, resistivity, whether have
There are translucency, heat of vaporization, emissivity, density, specific heat；
Room: room ID, room title, place floor, room volume, room boundaries ID coding.
3. the buildings model window wall area according to claim 1 based on BIM compares automatic optimization method, which is characterized in that
The step of BIM model building enclosure parameter is extracted in the first step are as follows:
The RevitAPI interface of BIM provides element collector FilteredElementCollector class, class filter
ElementClassFilter class, classification filter ElementCategoryFilter class and logic filters
LogicalAndFilter class；Pass through the specified building enclosure element of the constructed fuction setting of ElementClassFilter class
Filter, and the filter after setting is put into logic filters LogicalAndFilter class, pass through collector
WherePasses (LogicalAndFilter la) method of FilteredElementCollector class obtains specified enclose
Protection structure element instance set；Then obtained building enclosure element instance set, and the member provided with RevitAPI are provided
Plain get_Parameter (Built_in param) method, the param for changing element are obtained in building enclosure element instance set
The param parameter of each element assignment.
4. the buildings model window wall area according to claim 1 based on BIM compares automatic optimization method, which is characterized in that
Second step specifically includes:
A): judging in database with the presence or absence of database parameters, if there is no then carrying out second step；Otherwise number is deleted
According to library parameters, second step is then carried out；
B): creation database parameters, and wall, floor, roof, material, window, door, room parameter list is respectively created；
C): storing the parameter of extracted building enclosure element instance.
5. the buildings model window wall area according to claim 1 based on BIM compares automatic optimization method, which is characterized in that
Step 3 to step 4 includes:
1), shape coefficient of architecture is sought:
1.1, wall parameter list is inquired, the area for obtaining East, West, South, North facade exterior wall is respectively Ae、Aw、As、An；
1.2, inquiry roof parameter list obtains roof surface product Ar；
1.3, inquiry room parameter list obtain each room volume andWherein i represents i-th of room；
Then calculate to obtain shape coefficient of building:
2), heat transfer coefficient, solar heat gain coefficient are sought:
It inquires database parameters and obtains the Coefficient K of window, solar heat gain coefficient SHGC；
3), by building type, place subregion, shape coefficient of architecture Ct, Coefficient K, solar heat gain coefficient SHGC determine certain direction
External wall elevation window-wall ratio limit value be (a, b]；
4) it, is respectively sought towards the external wall elevation window gross area:
Inquire the window gross area A that wall parameter list obtains East, West, South, North facade exterior wallew、Aww、Asw、Anw。
6. the buildings model window wall area according to claim 5 based on BIM compares automatic optimization method, which is characterized in that
5th step specifically includes:
Work as aAsWindow Zong Mian Ji≤bA of < exterior wallsWhen, meet window wall in " public building energy design standard " GB50189-2015
The requirement of area limit ratio, without modification to the window of the wall, output " window wall area is more reasonable than designing, without optimizing "；
As window Zong Mian Ji≤aA of exterior wallsOr the window gross area > bA of exterior wallsWhen, do not meet " public building energy design mark
It is quasi- " window wall area limit ratio requirement in GB50189-2015, read the area A for the different window same clan type mutually studied in the same school under racef, and it is false
If the window same clan type read is the window that replacement needs to optimize, until meeting window wall area limit ratio, then by the example of the vertical plane wall
Window type changes the window type for meeting window wall area limit ratio into；If not meeting code requirement in same clan's type of BIM window race
Same clan's type of window race then exports " window wall area is more unreasonable than designing, and when optimization does not find reasonable window same clan type ".
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387759.8A CN108959690B (en) | 2018-04-26 | 2018-04-26 | BIM-based automatic optimization method for area ratio of window to wall of building model |
Applications Claiming Priority (1)
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| CN111475886A (en) * | 2020-04-30 | 2020-07-31 | 北京石油化工学院 | Building wall heat-preservation thickness optimization method based on fire economy and fire environment |
| CN112303856A (en) * | 2020-11-10 | 2021-02-02 | 深圳市柏涛蓝森国际建筑设计有限公司 | Method and system for realizing air conditioner cold load calculation |
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| CN112613369A (en) * | 2020-12-15 | 2021-04-06 | 中国建筑第八工程局有限公司 | Method and system for calculating area of building window |
| CN113051651A (en) * | 2021-04-02 | 2021-06-29 | 西安建筑科技大学 | Materialization expression method of steel bar broken material node information |
| CN116446518A (en) * | 2023-03-17 | 2023-07-18 | 中电建路桥集团有限公司 | Assembled steel structure building system and energy-saving method thereof |
| CN116446518B (en) * | 2023-03-17 | 2023-11-17 | 中电建路桥集团有限公司 | Assembled steel structure building system and energy-saving method thereof |
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