42 results about "Grasshopper" patented technology

The invention discloses a Grasshopper-based complex curved surface curtain wall modeling method, and relates to the technical field of digital design and construction of buildings, and the method comprises the steps: firstly inputting the geometric dimension, load parameters, thermal expansion coefficient, material attributes and environmental parameters of a curtain wall into a parameterization platform at an input end, and generating an original curtain wall model; performing topological optimization and geometric correction on the original curtain wall model through curved surface reconstruction to obtain a reference curtain wall model; performing grid segmentation on the reference curved surface based on a discrete differential geometry method, and calculating the size of a unit plate; constructing a structural system by utilizing a finite element analysis module and a parameterized platform; according to deformation characteristics of glass plates and installation components, parameterization adjustment is conducted on construction nodes to compensate errors, the planarization size of a unit plate and the sectional size of a frame are optimized, construction data are finally output, multi-parameter digital automatic linkage of the complex curved surface curtain wall from design to construction is achieved, and therefore the modeling precision and efficiency of the complex curtain wall are improved.

The invention provides a grasshopper-based planing boat parametric modeling method and system, belongs to the technical field of computer aided design, and aims to solve the problems that in the planing boat modeling process, due to the fact that parameters need to be repeatedly determined, the modeling efficiency is low, the modeling design flexibility is insufficient, the interactivity and visual experience are poor, and the modeling cost is high. The method comprises the following steps: constructing a main line segment and carrying out draught control; controlling a hull chord line through curvilinear function mapping; constructing a hull bilge edge line; constructing a boat body keel line; constructing a middle parallel section of the hull; mirroring to generate a complete hull; the system comprises a user interaction interface, a parameter processing module and a model generation module.

The invention discloses a curtain wall light evaluation rapid calculation method based on Rhino, relates to the technical field of curtain wall light environment evaluation, and is used for solving the problems of complex modeling and low calculation efficiency of traditional curtain wall light evaluation. According to the method, an integrated three-dimensional model containing a site environment, a target building and an indoor space is built through Rhino, and data adaptation, coordinate calibration and fine modeling are completed; based on Grasshopper, defining three types of core parameters of optical attributes, geographic position data and meteorological data of the material, and constructing an associated data set; solar radiation and reflected light are calculated according to scenes, and reverse tracking and Ladybug algorithm coupling optimization calculation is combined; visualizing simulation results and extracting quantitative indexes, and generating targeted curtain wall design optimization measures; the curtain wall light environment is quickly and accurately simulated, and the light evaluation efficiency and the calculation precision are remarkably improved.

The invention discloses a BIM model number inputting and auditing method based on GH and Revit. A two-dimensional drawing is cleaned and number data is extracted through Rhino, the centroid of a BIM model component is extracted by utilizing Grasshopper and is projected to generate a point cloud, the number of the two-dimensional drawing and the BIM model component are matched based on a nearest neighbor algorithm, and batch inputting and dynamic synchronous updating of the number are realized. And reading an instance parameter value of the BIM model component through Grasshopper, and automatically comparing the instance parameter value with the two-dimensional drawing number data set to generate an Excel auditing report containing a consistency mark. The invention relates to the technical field of building modeling, and can solve the technical problems in the prior art.

The invention discloses a Grasshopper-based bamboo engineering material basic unit modeling and calculating method, which comprises the following steps of: drawing a combination and cutting scheme of basic units in a bamboo engineering material component design section in Rhinoceros software according to the specification of the basic units of a bamboo engineering material, inputting the section scheme and three-dimensional axes of a plurality of linear components into a Grasshopper plug-in, and constructing a Grasshopper-based basic unit model and a Grasshopper-based basic unit model; creating a three-dimensional model entity of each basic unit in the Grasshopper plug-in, feeding back the material ratio from multiple levels such as the sectional area and the total volume, feeding back the number of male and female groove connecting nodes of the basic units in the rift grain direction, and guiding optimization and adjustment of a scheme or guiding subsequent blanking and processing. The cost is reduced, and the working efficiency is improved.

The application discloses a kind of based on agent model's air bag template ice shell building weatherability optimization design method, it is related to building design technical field.The problems that existing technology lacks the quantitative evaluation index of ice shell building weatherability and lacks the construction of universal agent model are solved, including: S1 stage is established microclimate response agent model, through orthogonal experimental design to generate ice shell case set, extract morphological characteristics and spatial characteristics, obtain wind snow distribution label by combining CFD simulation, construct neural network agent model;S2 stage is fused multiple tools to realize performance optimization, utilize Grasshopper parametric modeling to extract features, call agent model to predict surface snow wind distribution, obtain radiation data jointly by Ladybug, combine sublimation rate to calculate initial and later strain energy and weatherability index, finally, morphological parameters are multi-objective optimized by NSGA-II algorithm, it has application prospect in the field of ice shell building structure optimization.

The invention belongs to the technical field of agricultural biological control, and discloses a method for controlling summer shoots of Gannan navel oranges by insects, which comprises the following steps: S1, in the early germination stage of the summer shoots of the navel oranges in early May, putting 3-4 Acrida cinerea imagoes every 8m according to the projection area of a tree crown; s2, in the summer shoot germination peak period in the first ten days of June, the release amount of acrida cinerea is increased to 6-8 acrida cinerea per 8 m. By means of shoot control mechanism innovation, grasshoppers specifically gnaw young shoot growing points, side bud germination is prevented from being stimulated, and the vicious circle of'more and more wipe 'is blocked from the biological level; the shoot control efficiency is increased, the shoot control rate can reach 99.2% or above by the putting amount of 3-4 shoots per 8m, and the whole summer shoot growing period is covered continuously and periodically; the feeding rate of old leaves is strictly controlled to be 3.6% or below, the influence on the photosynthesis of a tree body is avoided, a precise shoot control technology is achieved based on biological habits, efficient and safe shoot control treatment is achieved, the survival conditions of diaphorina citri are worsened, the occurrence of the Huanglongbing is reduced, and the economic benefits of navel orange planting are improved.

This invention discloses a method for modeling and calculating basic units of bamboo engineering materials based on Grasshopper. The method includes: drawing the combination and cutting schemes of basic units in the design cross-section of bamboo engineering material components in Rhinoceros software according to the specifications of the basic units; inputting the cross-section schemes and the three-dimensional axes of multiple linear components into the Grasshopper plugin; creating a three-dimensional model entity for each basic unit in the Grasshopper plugin; and providing feedback on material usage ratios from multiple levels, such as cross-sectional area and overall volume, as well as the number of male and female groove joints along the grain direction of the basic unit, to guide the optimization and adjustment of the scheme or to guide subsequent material processing. This invention reduces costs and improves work efficiency.

The invention relates to the field of underground powerhouse information of hydroelectric power engineering, and discloses an underground powerhouse three-dimensional model rapid construction method combining Grasshopper and Revit, comprising the following steps: S1, forming a three-dimensional terrain entity according to terrain contour line data and stratum exploration data, S2, determining a plurality of working planes on the basis of the three-dimensional terrain entity; s3, creating a drainage pipe family sample based on Revit, importing Excel data through Grasshopper to carry out parametric modeling, and generating a drainage hole curtain layout; s4, the drainage hole curtain layout generated by the Grasshopper is introduced into Revit through a Revit plug-in; and S5, performing quality inspection and repair on the constructed three-dimensional entity of the underground powerhouse. By combining Grasshopper and Revit parametric modeling technologies, rapid construction from topographic and geological data to an underground powerhouse structure entity is achieved, the problems that traditional manual modeling is long in time consumption and prone to errors are solved, meanwhile, the spatial precision of stratigraphic stratification, fracture simulation and building arrangement can be kept, and it is ensured that the model can be used for engineering numerical calculation and structural analysis.

The application discloses a kind of based on GH's landscape covering soil filling pad layer calculation and visual analysis method, comprising the following steps: in Rhino software, the CAD drawing of landscape covering soil is imported, and Grasshopper plug-in is loaded;Different sampling points are selected on the bottom plate corresponding to landscape covering soil, group the pad layer according to the pad layer number corresponding to each sampling point position, and generate the grid surface domain with explicit boundary by compiling algorithm program through Grasshopper plug-in;Parameter definition is carried out to landscape covering soil, and the thickness of the pad layer corresponding to each sampling point is calculated by inputting different parameter values;Different colors are used to partition for pad layer of different groups, and each item of data about the calculation amount of pad layer material corresponding to each partition is obtained through data processing, and output is used to guide on-site construction, the present application calculates and visualizes the number of filling pad layer and thickness, effectively improves the work efficiency and work quality of designer, and has higher popularization value.

1. The name of the design product: feeding machine. 2. The use of the design product: for feeding grasshoppers with feed. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a Grasshopper-based parameterized modeling method for a polygon projection space distorted surface reticulated shell, which comprises the following steps of: S1, setting geometric parameters of a reticulated shell model in a Grasshopper platform through an input plug-in, and obtaining a corresponding projection surface of a space curved surface reticulated shell surface; s2, connecting vertexes of the projection surface to generate ridge lines forming a reticulated shell curved surface, and constructing a polygonal projection space distorted surface through curved surface generation operation based on the ridge lines; s3, performing grid division on the spatial warping surface by using an isoparametric method or a mapping method to generate grid points; and S4, based on the grid points, generating a single-layer polygonal projection space distorted surface latticed shell structure through a polyline connection plug-in. The method is used for solving the technical problems that an existing spatial reticulated shell structure with a complex shape is difficult to model, the modeling efficiency is low, and the repeated utilization rate is low.

The invention relates to an industrial park building load rapid prediction method based on energy utilization partition. The method comprises the following steps of carding industrial park technological processes through design data or field investigation; key energy consumption characteristic parameters are extracted, and each room in the park building is divided into various energy consumption subareas; the method comprises the following steps: establishing a geometric model through Rhino software, and importing the geometric model into Grasshopper; simulation parameters are set through a Honeybee battery assembly, an OpenStudio simulation engine is called to conduct building load simulation, and a calculation result is exported to be processed and analyzed; the model is modified according to planning requirements, and calculation results of the building loads under different conditions are compared. The method has good adaptability to input conditions, has robustness to change of a research object, simplifies the modeling process, improves the calculation efficiency, realizes rapid and accurate prediction of the building load of the industrial park, and solves the problem that a traditional simulation model cannot give consideration to both simulation precision and calculation efficiency.

The invention relates to the technical field of digital path planning, in particular to a Grasshopper-based cylindrical workpiece surface track extraction and path planning method, which comprises the following steps of: acquiring parameters of a user-defined input end; establishing a parameterized two-workpiece intersection model based on the user-defined input end parameters; extracting an intersection track curve of the parameterized two-workpiece intersection model; carrying out point segmentation on the intersection track curve, and extracting to obtain an intersection point coordinate data list; calculating an intersection point coordinate data list, and calculating to obtain the displacement of each curve section along the X-axis direction, the rotation angle around the axis of the workpiece and the arc length on the YZ plane; and calculating and generating path tracking speed data of the surface track of the cylindrical workpiece by combining the tracking required speed, the displacement along the X-axis direction and the rotation angle and the arc length around the axis of the workpiece. According to the method, rapid and universal path planning is realized, and the path can be updated in real time only by modifying input parameters.

The present application relates to a kind of agricultural tillage machinery, specifically is based on the bionic resistance reduction deep ripping shovel of black cicada.The purpose is to provide a kind of bionic resistance reduction deep ripping shovel based on black cicada, shovel handle and shovel tip are respectively bionized in the inner and outer contour curves of black cicada forefoot and black cicada thoracic denticle, to reduce deep ripping shovel tillage resistance, improve the ability of deep ripping shovel to destroy plough bottom layer and soil disturbance.Technical scheme is a kind of bionic resistance reduction deep ripping shovel based on black cicada, it is characterized by including bionic shovel handle and the bionic shovel tip connected in bionic shovel handle lower end, the bionic shovel handle includes shovel handle straight handle section and the bionic section of shovel handle that is arc-shaped and upper end is smoothly connected as a whole with shovel handle straight handle section;The touch of soil side contour line of the bionic section of shovel handle is bionized in the inner contour line of black cicada forefoot second section, the contour line of the bionic section of shovel handle away from soil side is bionized in the outer contour line of black cicada forefoot middle section;The bionic shovel tip includes chisel type shovel tip and a plurality of bionic convex microthorn staggered arranged on the upper surface of chisel type shovel tip.

The present invention relates to a composition for preventing or treating aging containing an extract of Cordyceps sinensis from edible insects as an active ingredient. Since the composition of the present invention exhibits an effect of preventing or treating aging, it can be effectively used to prevent or improve various diseases and health problems caused by aging. In particular, the composition of the present invention can be usefully used to prevent or treat aging-related diseases such as sarcopenia, cognitive decline, cardiovascular disease, cancer, and diabetes. The extract of Cordyceps sinensis from edible insects according to the present invention can be obtained by extracting Cordyceps sinensis fruiting bodies, obtained by culturing Cordyceps sinensis fungi on edible insects such as crickets, mealworm larvae, white-spotted flower beetle larvae, rhinoceros beetle larvae, and grasshoppers, using solvents such as water, ethanol, and methanol. The composition of the present invention can be prepared in various forms, such as food compositions, health functional food compositions, pharmaceutical compositions, and cosmetic compositions.

The invention discloses a parametric modeling implementation method for garden block stone rockery based on Grasshopper, comprising the following steps: 1) creating a geometric body in a Grasshopper plug-in of Rhino; 2) vertically splitting the geometric body into several layers by using a SplitBrepMultiple operator to form a layer model; 3) extracting the center points of block stone cubes constituting the layer model in the split layer model as reference points for operators such as scaling and offsetting of rockery stones in the layer model; 4) deconstructing the split layer model and independently controlling the X-axis and Y-axis offsets in the spatial structure of the layer model by using an Addition operator; 5) randomly scaling the offset layer model by using a ScaleNU operator; 6) randomly generating a point set on the modeling surface of the scaled model A by using a PopulateGeometry operator; 7) generating a random geometric body set B in the X-, Y- and Z-axis directions with the point set as the center; 8) deleting the geometric body by using a SolidDifference operator to realize hollowing of the rockery.

The invention discloses an arc-shaped beam construction method based on Rhino and Grasshopper. The specific construction process comprises the steps that firstly, construction preparation is conducted; 2, confirming a site coordinate base point; 3, preliminarily processing the model; 4, creating a model; step 5, reference point coordinate re-checking; checking whether the drawing and the model reference point coordinates are correct or not; step 6, creating and adjusting a lofting point; step 7, outputting coordinates; the coordinate points are exported in batches by utilizing a Grasshopper plug-in; 8, carrying out on-site lofting; and 9, comparing and analyzing data. A construction content model is established by adopting a Rhino modeling technology, coordinate data of a setting-out point are extracted and imported into a total station by adjusting a coordinate system of the model, and finally building setting-out measurement is carried out. The problem of accurate positioning of the arc-shaped beam is solved, and the construction quality of the arc-shaped beam is well guaranteed.

The invention discloses a Grasshopper-based curved surface curtain wall triangular panel and structure generation method and system. The method comprises the following steps: selecting more than two curved surface control lines in Rhino; a curved surface is generated through Loft in the Grasshopper; generating a structural surface, a curtain wall front surface, a curtain wall back surface and a curtain wall side surface through Offset; generating a triangular panel and a space truss structure based on the curved surface; adjusting parameters to control the size and the structure of the triangular panel; the curtain wall and the structure are updated in real time by modifying curve control points. Cooperative automatic design of the curved surface curtain wall and the supporting structure is achieved, and design efficiency, precision and flexibility are remarkably improved.

The invention discloses a building wall heat and humidity coupling transfer dynamic simulation method and system based on Grasshopper platform and GPU parallel computing cooperation, and belongs to the field of building performance simulation. The method comprises the following steps: constructing a three-component collaborative architecture in a Grasshopper parameterized design environment; based on the constructed three-component collaborative framework, establishing a three-dimensional heat-humidity coupling mathematical model containing a complete wet driving potential of gaseous and liquid moisture transmission; an ADI alternating direction implicit method is adopted to decompose the constructed three-dimensional heat and humidity coupling mathematical model into three one-dimensional problems; a Newton-Raphson iteration method is used for solving the nonlinear conversion from the wet potential to the moisture content; setting boundary conditions considering moisture exchange resistance and a wind-driven rain effect, and correcting an outdoor moisture exchange coefficient; and generating a multi-dimensional visual object in real time in the Rhino viewport, wherein the multi-dimensional visual object comprises a temperature and humidity curved surface, a point cloud and a statistical report. The method and the device are used for realizing high-performance heat and humidity coupling simulation in a parameterized design environment and solving the problem of disjunction of design and analysis.

The application discloses a kind of parameterized modeling methods of amusement park outer packaging steel structure based on Grasshopper, one, the process of modeling is simplified into the form of cluster group in grasshopper;Two, in Rhino platform, specify the reference point at building modeling place, rotate and translate building modeling to coordinate origin, and modeling surface at original point is as input end building control surface;Three, according to building modeling;Five, select the bottom node on the outline of civil engineering roof, offset node according to the set column pier height, then generate column base node;Six, the generated entity rod piece result is reselected and translated back to the original building packaging modeling place, whether the steel structure arrangement generated automatically meets the design requirement is quickly reviewed through collision checking or entity visual effect.The application can directly capture the packaging modeling surface of building, according to building packaging modeling, input controllable parameters such as size, spacing, to directly generate the model wireframe diagram required by structure design, and quickly generate three-dimensional model for subsequent deepening structure design.

1. The name of the design product: conveyer (grasshopper). 2. The use of the design product: used for the material transfer in the port stockyard, the connection transfer between stockyard and main conveying line, the loading and unloading of barge in small wharf, and the scattered material conveying in the mine or factory. 3. The design points of the design product: in shape. 4. The picture or photo showing the design points: perspective view 1.

The application discloses a hull parametric modeling method with bulb bow and bulb stern based on Grasshopper development. The first step is to extract hull lines and other information from a ship type library. The second step is to generate curves, position, sort, project and establish constraint relationships based on non-uniform B-spline curves. The third step is to generate a skin surface according to the defined hull topology structure and the spline curve established in the region. The step-by-step generation method is used to continuously extract the edge line of the generated surface for generating the NURBS surface of the next region. The generation sequence is: bulb bow, bow, bulb stern surface, bulb stern, hull, and hull transition area. The fourth step is to assemble and trim the propeller and rudder. The method solves the problems of low precision, weak hull shape control ability and difficulty in forming a closed surface in the bulb bow and bulb stern regions during the current hull parametric modeling, and the developed hull hydrostatic force analysis method can greatly improve the design efficiency.

The invention discloses a Grasshopper-based similar curtain wall panel merging method, which comprises the following steps of: establishing a three-dimensional model of a curtain wall panel, and dividing the three-dimensional model into a plurality of groups of curved surfaces; respectively inputting each group of curved surfaces into a Grasshopper tool, and in each group of curved surfaces, sequencing according to each side of the curved surfaces in sequence; based on a set tolerance threshold value, classifying the side lengths of the four sides and the lengths of the two diagonal lines of the curved surface in sequence to obtain classified side length and diagonal line length data; sequentially connecting and combining the classified length data into a character string, and performing duplicate removal to obtain a character string list; calculating to obtain a group of index values of each character string in the character string list; obtaining combined curved surfaces of the corresponding groups based on a group of index values; and numbering the combined curved surfaces, and outputting the numbers and the dimensions of the corresponding curved surfaces. The problem that the material lifting workload is large due to the fact that original plates of a curtain wall with a complex shape are various is solved.

The invention discloses an arch truss modeling optimization method based on Grasshopper, and relates to the technical field of building steel structure engineering, and the method comprises the steps: inputting structure parameters of an arch truss; obtaining an arched reference curve according to the structural parameters; equally dividing along the arch reference curve to obtain a plurality of lower chord control points; based on the structure parameters and the plurality of lower chord control points, constructing an inverted triangular section at each lower chord control point by utilizing two lower chord control points corresponding to the lower chord control point, and connecting a lower chord, an upper chord and a web member system according to each control point to form a truss member center line model; and importing the truss rod piece center line model into structure analysis software to obtain a key structure performance index, and driving the truss rod piece center line model to automatically optimize the structure parameters according to the feedback of the key structure performance index. According to the method, parametric modeling and structural analysis can be seamlessly integrated, rapid design iteration and performance driving optimization are achieved, and the construction period is effectively shortened while the structural reliability is improved.

1. The name of the design product: lighter case (grasshopper lighter case). 2. The use of the design product: for containing lighters. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of the design product: toy metamorphic insect (grasshopper). 2. The use of the design product: children's toys, for people to play. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective drawing.

Based on multi-source data interaction, the roofing engineering design method and equipment can quickly assist in the planning and development of roofing special construction schemes using digital technology. The three-dimensional scanning technology, Grasshopper and Revit model data are combined and applied to form an interactive data chain. Specifically, the parameterized model is constructed based on the site measurement data using Grasshopper and three-dimensional scanning technology, and the Revit data is interacted with other professional deepening models to optimize the design. The model-driven data chain is combined to assist the roofing deepening design, thereby improving the quality and efficiency of the roofing special engineering deepening design.

The present invention relates to the technical field of bridge design, and in particular to a visual parametric modeling method for an ultra-long span steel truss arch bridge based on Grasshopper, which comprises the following steps: analyzing bridge structural characteristics and building an overall logical framework; writing geographic information and bridge basic information into a parametric C-level module; generating an arch axis curve and an arch structure three-dimensional model through a parametric arch structure C-1 level module; generating a truss structure three-dimensional model through a parametric truss structure C-2 level module; calculating the bridge deck position and establishing a bridge deck three-dimensional model based on data in the parametric arch structure C-1 level module, the parametric truss structure C-2 level module, and the parametric bridge deck position C-3 level module; calculating the camber angle and the inclination angle based on the parametric basket angle C-4 level module, and establishing an arch bridge three-dimensional model. The present invention can greatly shorten the modeling time of an ultra-long span steel truss arch bridge structure and greatly improve the modeling accuracy.

The application relates to a steel truss dome structure parameterization modeling method based on grasshopper, which comprises the following steps: 1) simplifying the modeling process into the form of a cluster group in grasshopper, so as to be directly called; 2) on a Rhino platform, specifying a reference point at an architectural curved surface modeling position, rotating and translating the architectural curved surface modeling to a coordinate origin, and taking the modeling surface at the origin as an input end architectural control surface; and 3) according to structure design requirements, customizing input end parameters, wherein the input end parameters comprise a ring segment number, a radial segment number, an inner offset distance of a structure control surface, a truss height and a ring truss node segment number between adjacent trusses, and are used for parameterization generation of a steel truss dome structure model. The application can directly capture the modeling curved surface of a building, utilize pre-set modular programming, and quickly generate a three-dimensional model for subsequent deepening structure design.