34 results about "Thin-shell structure" patented technology

The invention provides a meshless simulation analysis method and device for a thin-plate shell, and relates to the technical field of thin-plate shell structure analysis. The meshless simulation analysis method comprises the following steps: discretizing a middle surface of the thin shell through meshless nodes, establishing a discrete control equation by utilizing regenerated core approximate displacement and regenerated smooth gradient approximate strain, performing numerical integration, and finally solving displacement. The problems of shear locking, grid dependence, low-order continuity and the like of a traditional finite element method in thin shell analysis are solved, and particularly, the film self-locking phenomenon is avoided. Through the Hu-Washu variational principle, the method does not need manual parameters, simplifies the application process of essential boundary conditions, and improves the stability and efficiency of calculation. Compared with a traditional method, the method has remarkable advantages in calculation precision and efficiency, and is suitable for thin shell structure analysis of complex geometrical shapes and large deformation problems.

The invention relates to an electric arc additive design-simulation-reinforcement-construction integration method for a curved metal thin shell, which comprises the following steps of: adopting a metal wire, and obtaining a three-dimensional structure model of a metal thin shell structure by utilizing the curved surface shape optimization design of a shell unit; simulating and predicting the deposition of the exposed thin shell structure; simulating and predicting the deposition of the reinforced thin-shell structure; and reinforcing thin-shell metal 3D printing construction. The method has the beneficial effects that the stress and deformation distribution and amplitude of the exposed thin shell structure are obtained through deposition simulation prediction with low cost, and reinforcement measures are set based on the stress and deformation distribution and amplitude, so that excessive deformation in the printing process of the electric arc additive process is avoided to a great extent, and the service life of the electric arc additive process is prolonged. Printing failure and printing repositioning caused by excessive deformation are avoided, and the forming quality and the material performance of the metal forming structural part are effectively guaranteed.

A vehicle-mounted high-frequency boost inductor with a copper sheet for auxiliary heat dissipation comprises a shell, and a framework assembly, a magnetic core assembly, a winding assembly and a heat conduction assembly are arranged in the shell. The framework assembly comprises three stand column frameworks and two end frameworks, and the three stand column frameworks and the two end frameworks are each of a thin shell structure. The three stand column frameworks are arranged in parallel in a pairwise spaced mode in the transverse direction of the shell. The two end frameworks are symmetrically arranged at the two ends of the three stand column frameworks. Accommodating cavities are formed in the three stand column frameworks; the winding assembly is wound on the framework assembly; the magnetic core assembly is arranged on the containing cavities in a sleeving mode and comprises three stand column magnetic cores arranged in the three containing cavities respectively. The upper yoke magnetic core and the lower yoke magnetic core are connected with the two ends of the stand column magnetic core respectively; the heat conduction assembly comprises a plurality of heat conduction copper sheets, the thickness of each heat conduction copper sheet is smaller than 1 mm, and the heat conduction copper sheets wrap the upper end face, the front end face and the rear end face of the upper yoke magnetic core, the lower end face, the front end face and the rear end face of the lower yoke magnetic core and the rear side face of the stand column magnetic core; and a plurality of mutually independent strip-shaped holes are formed in the heat-conducting copper sheet.

The invention discloses a superstructure shell device for reducing noise radiation, which comprises an outer shell and an inner shell, and is characterized in that the outer shell and the inner shell are of a thin shell structure which is coaxially arranged; and one or more annular noise reduction devices, wherein the annular noise reduction devices are arranged between the outer layer shell and the inner layer shell. The connecting device is used for coaxially and fixedly connecting the outer-layer shell, the annular noise reduction device and the inner-layer shell; wherein each annular noise reduction device comprises an integrated circular ring frame and at least one closed particle damping cavity, the circular ring frame comprises a plurality of torsion structure cavities and connecting rods in the annular direction, the torsion structure cavities and the connecting rods are periodically arranged in the annular direction, and the torsion structure cavities and the connecting rods form periodic structure units in a plane; the particle damping cavity is defined by a cover plate and the torsion structure cavity, and the particle damping cavity is filled with spherical particles.

This invention discloses a hollow structure Go piece, belonging to the technical field of chess products. The invention includes a Go piece body, which consists of a shell, a hollow area, and internal supports. The Go piece body adopts a thin-shell structure design, with hollow areas on the shell and internal supports arranged in the non-hollow areas. Specifically, the pentagram series hollow Go pieces use a fully supported structure, while the snowflake series hollow Go pieces feature a combination of columnar and radial support structures. This invention optimizes the layout of the hollow areas and internal supports through topological modeling, significantly reducing weight, achieving a lightweight Go set, and facilitating portability while effectively ensuring the structural strength and durability of the Go pieces. This invention relies on structural optimization to precisely control the center of gravity of the Go pieces, ensuring a high degree of consistency in the center of gravity of each piece through refined structural proportions, effectively improving placement stability and game feel. This invention features a novel structure, diverse shapes, and strong practicality, effectively solving the technical problems of traditional solid Go pieces, such as heavy weight, inconvenience in carrying, difficulty in accurately controlling the center of gravity, and poor consistency.

Systems and methods for elastically foldable structures are described. The high-strain composite thin-shell structures offer high stiffness to mass ratio and increased packaging efficiency, with the additional advantage that their deployment is aided by releasing the strain energy stored in the elastic folds in a controlled quasistatic manner.

The utility model relates to an interlayer composite steel bar truss overlapping folding shell structure, which comprises a GFRP bottom plate, a fastener, a steel bar truss, an XPS plate and a post-cast concrete layer, the GFRP bottom plate is an arc-shaped folding plate, a bending angle and a bending plane are formed on the arc-shaped folding plate, the XPS plate is fixedly adhered to the bending angle and the end part of the upper surface of the GFRP bottom plate, and the post-cast concrete layer is arranged on the GFRP bottom plate. The fasteners are arranged on the GFRP bottom plate, the steel bar trusses are fixedly connected to the fasteners and located between every two adjacent XPS plates, and the post-pouring concrete layer is poured on the GFRP bottom plate, the steel bar trusses and the XPS plates which are connected with one another on site during construction, so that the stress performance and the structural span of the structure can be remarkably improved, construction is convenient, and the construction efficiency is improved. And the construction and maintenance cost can be greatly saved, and a positive effect is achieved on popularization and development of thin-shell structures and fabricated buildings.

The present application belongs to the technical field of engineering structure optimization design, and discloses a kind of topological optimization method and equipment of three-dimensional curved surface composite material thin shell structure, steps are as follows: S1, using conformal geometric mapping algorithm three-dimensional curved surface grid is mapped to the parameterization coordinate of two-dimensional plane parameter domain angle-preserving, obtain the mapping relationship of three-dimensional curved surface composite material thin shell structure from three-dimensional curved surface to two-dimensional plane;S2, construct shell element stiffness matrix of finite element grid;S3, in two-dimensional plane parameter domain, with the relative density of shell element and the direction of element as design variable, establish the topological optimization model of finite element grid based on conformal mapping;S4, based on moving asymptote method and topological optimization model to update design variable;S5, based on the design variable and mapping relationship of updated inversion mapping back original three-dimensional curved surface, thus obtain the three-dimensional configuration of optimal material distribution of three-dimensional curved surface composite material thin shell structure.The present application improves optimization efficiency.

The invention belongs to the technical field of computer aided design, and discloses a high-precision mechanical simulation method and system for a heterogeneous cable, and the method comprises the steps: firstly dispersing the cable into limited sections based on a Cosseerat model, carrying out the fine mesh generation of each section, and constructing a high-resolution network model; then, regarding each section as a thin shell structure, and deducing a shape function of the thin shell structure by utilizing a shell theory; secondly, coarse nodes are introduced to form a coarsened shell model, a displacement vector at the section is constructed through the coarse nodes, and a shape function of the coarsened shell model is reconstructed; and in each section plane, taking coarse node displacement as a degree of freedom, and calculating potential energy of each section of the cable by using a shape function of the coarsening shell model. And the total potential energy is minimized through global optimization, so that the optimal displacement of the thick node of each section is determined, and the accurate simulation of the overall form and deformation of the cable is realized. According to the invention, high simulation precision is maintained, and the behavior of the heterogeneous cable under a complex environment condition can be accurately captured.

The invention provides an isogeometric display dynamics calculation method for solving large deformation analysis of a thin shell structure of a non-coordinated complex CAD model, and belongs to the technical field of display dynamics. The method comprises the steps that firstly, a CAD design model is input, and NURBS parameters of the CAD design model are obtained; secondly, performing isogeometric display dynamics solution analysis on the large deformation of the thin shell structure on the CAD design model; and finally, outputting an isogeometric display dynamics calculation result. According to the method, the processing problem of the complex non-coordinated CAD model in geometric analysis display dynamics solution of large deformation of the thin shell structure and the like can be effectively solved.

This application belongs to the field of shell unit design. It is a shell unit design method for the reliability research of aviation thin-shell structures. After discretizing the aviation thin-walled structure, each unit must be given a certain geometric size and material parameter to form a normal distribution or random distribution probability model, and a random finite element model is formed in conjunction with the unit stiffness matrix to perform probability random distribution finite element stiffness calculation. Based on the traditional analytical expression of each unit stiffness, the probability random distribution condition is introduced, so that the simulation analysis of the aviation plate and shell structure can take into account the influence of uncertain factors in process manufacturing, avoiding the adverse effects of the traditional safety factor method on the structural design, and reducing the cumbersome process of preparing a large number of input files for structural reliability analysis using deterministic analysis units, which can accelerate the iterative process of structural reliability design.

This invention relates to a deformation correction fixture and method for a thin-walled welded titanium alloy support, belonging to the field of metal material machining technology. By utilizing this novel process technology and taking advantage of the similarity between the heat treatment and forming temperatures of titanium alloys, this invention achieves stress relief and shape correction within the weld seam in a single process. The use of a combined, retractable, dedicated correction fixture effectively ensures the spatial relationship between the base assembly surface of the support component and the pipe end axis, while simultaneously providing internal support for the thin-shell structure, achieving full-surface correction of the support. This provides a valuable reference for heat treatment correction methods for this type of hollow thin-walled structure.

The present invention relates to a concrete thin-shell building, comprising: a support structure; a thin-shell structure including a prestressed beam and a shell disposed on the prestressed beam, the end of the prestressed beam being lapped on the top edge of the support structure; a buffer limiting structure including a plurality of seismic isolation bearing bodies, which are distributed between the prestressed beam and the support structure, and the seismic isolation bearing bodies are respectively connected to the prestressed beam and the support structure. It can greatly reduce the adverse effects on the structure caused by the excessive self-weight of the long-span concrete thin-shell structure. In this embodiment, the high-position seismic isolation bearing is mixed with the thin-shell structure system, and large-size spatial thin-shells can be designed on large building structures, giving full play to the advantages of the large size of the thin-shell structure to form buildings with novel and peculiar shapes and adaptable to various planes; the large-area concrete thin-shell structure can transfer loads downward and form a large-range enclosure in space, thus integrating the functions of load-bearing and enclosure and maximizing the advantages of the concrete thin-shell structure.

The invention discloses a thin-shell structure vibration analysis method based on an energy method and a finite element method.The thin-shell structure vibration analysis method based on the energy method and the finite element method.The thin-shell structure vibration analysis method based on the energy method and the finite element methodcomprises the steps that firstly, input parameters of a thin-shell structure are determined according to the shape size, the material and the working condition of the thin-shell structure; setting an error limit; establishing a thin-shell structure finite element model through a finite element method, obtaining a stiffness matrix and a mass matrix of the thin-shell structure finite element model, and reducing the rotational degree of freedom in the thin-shell structure finite element model through a modal synthesis method to obtain a reduced-order model; substituting a displacement formula based on Fourier series expansion into the reduced-order model according to an energy equality principle to obtain a thin-shell structure hybrid model; and finally, thin shell vibration analysis is carried out according to a kinetic equation in the thin shell structure hybrid model.

The invention discloses a thin shell structure internal and external pressing and fixing processing tool in the technical field of thin shell structure processing, which comprises a support block and a first protective pad, the surface of the support block is provided with the first protective pad made of rubber, the surface of the support block is sleeved with a pressing ring, and the inner wall of the pressing ring is provided with a second protective pad made of rubber. The bottom of the supporting block is provided with a telescopic rod, the surface of the telescopic rod is sleeved with a first spring, one side of the pressing ring is provided with a screw rod, the screw rod and the pressing ring are fixed in a penetrating and inserting mode, the top of the screw rod is provided with a nut, and the nut and the screw rod are connected through threads. According to the workpiece fixing device, a workpiece is fixed, meanwhile, the workpiece can be buffered, the workpiece is better protected, when the workpiece is extruded by a pressing ring, a telescopic rod can be driven to contract, meanwhile, a first spring is compressed, and the buffering effect on the workpiece is achieved.

This invention belongs to the field of structural optimization technology. It discloses a full-scale design method for porous stiffened shells based on multi-piece isogeometric topology optimization. The steps are as follows: (1) Divide the thin shell structure and the stiffening region into high-order NURBS element meshes respectively; (2) Use isogeometric Kirchhoff-Love shell elements to describe the thin shell structure and three-dimensional solid elements to describe the stiffening region. Decompose the high-order NURBS element mesh into Bézier elements, and then construct solid-shell coupled elements; (3) Set the equivalent density as a design variable on each solid element. Transform the design variable into the equivalent density on the control points of the thin shell by applying mapping constraints. At the same time, introduce local volume constraints on the design variable to obtain bone-like porous stiffening, and then construct a full-scale multi-piece isogeometric topology optimization model for porous stiffened shells, and finally obtain the optimized porous stiffened shell structure. This invention improves applicability.

This invention discloses a splicing mold for autoclaving cylindrical composite parts, comprising multiple side parting components and multiple corner parting components. The side and corner parting components are sequentially arranged circumferentially to form a cylindrical structure that matches the inner cavity shape of the composite part to be formed. Adjacent side and corner parting components are fixedly connected by tensioning components located inside the formed cylindrical structure. This invention utilizes a splicing structure to effectively match the inner cavity surface of the cylindrical part. The thin-shell structure improves the thermal uniformity of the mold, ensuring the quality of the autoclaved composite parts. The overlapping fit between the parting components enables rapid assembly and positioning, ensuring the accuracy of the mold surface. Furthermore, the cylindrical structure of the mold allows for rapid demolding of the parting components, facilitating the demolding operation.

The invention discloses a floating steel gate support with a thin shell structure, which belongs to the technical field of water conservancy and hydropower engineering and is characterized in that a floating steel gate is formed by splicing a plurality of floating steel gate sections, and a panel, a web of a main cross beam and a longitudinal beam of each floating steel gate section are in transition with variable cross sections and sizes. The multiple supports are placed on the lower sides of the variable cross sections of the panels, the main cross beam webs and the longitudinal beams of the floating steel gate segments in a lifting mode correspondingly and used for guaranteeing stable transition of the variable cross sections and the sizes of the floating steel gate segments in the butt-assembling process. According to the floating steel gate with the thin shell structure, the floating steel gate with the thin shell structure is adopted for supporting, accurate transition of the size of the variable cross-section of the gate panel is guaranteed, the flatness of the variable cross-section panel is guaranteed, and therefore when the floating steel gate with the thin shell structure is filled with water, pressure borne by the floating steel gate with the thin shell structure is more uniform, and the buoyancy stability of the gate is higher.

The invention discloses a heat exchange device with a complex structure and an additive manufacturing method thereof. The heat exchange device comprises a hemispherical base of a cavity structure, a cold water inlet is formed in the lower end of the hemispherical base, and a plurality of water outlet hole channels are formed in the upper end of the hemispherical base; the upper end of the semispherical base is connected with a hollow columnar thin shell structure, and a to-be-cooled liquid inlet and a to-be-cooled liquid outlet are formed in the directions, away from each other, of the upper end and the lower end of the side wall of the hollow columnar thin shell structure; the upper end of the hollow columnar thin shell structure is connected with a hemispherical top cover of a cavity structure, a hot water outlet is formed in the upper end of the hemispherical top cover, and a plurality of water inlet hole channels are formed in the lower end of the hemispherical top cover. The multi-stage branch structure flow channel combination body is arranged in the hollow columnar thin shell structure after passing through the array, a water inlet of the multi-stage branch structure flow channel combination body is communicated with a water outlet hole channel in the hemispherical base, and a water outlet of the multi-stage branch structure flow channel combination body is communicated with a water inlet hole channel in the hemispherical top cover.

Systems and methods for elastically foldable structures comprising a platform with defining at least two lines dividing the platform into a plurality of portions, each portion comprises a plurality of elastically foldable strips with at least one connector connecting two adjacent strips in a portion, at least one strip of stretchable material positioned along and on top of each of the at least two lines, and a boom positioned along and under each of the at least two lines are described. The high-strain composite thin-shell structures offer high stiffness to mass ratio and increased packaging efficiency, with the additional advantage that their deployment is aided by releasing the strain energy stored in the elastic folds in a controlled quasistatic manner.

The invention belongs to the related technical field of structure optimization, and discloses a design method of a fiber reinforced composite shell structure based on full-scale isogeometric topological optimization, which comprises the following steps: (1) constructing a geometric model of a thin shell structure in a free shape by adopting a plurality of NURBS (Non-Uniform Rational B-Spline) patches; (2) respectively defining two groups of discrete design variables at NURBS surface patch control points, correlating the elasticity modulus of the composite material and each design variable in a design domain by adopting a multi-material interpolation formula based on a density method, and simultaneously applying composite material global volume constraint and fiber local volume constraint, constructing a full-scale isogeometric topological optimization model for the fiber reinforced composite shell structure; and (3) carrying out iterative optimization on the full-scale isogeometric topology optimization model to obtain a final design variable, and reconstructing the fiber reinforced composite shell structure based on the obtained final design variable, thereby obtaining the finally optimized fiber reinforced composite shell structure. According to the method, the fiber path continuity and the high design freedom degree are both considered.

The present invention discloses a thin-shell prefabricated concrete septic tank, the horizontal cross section of which is elliptical, including two semi-elliptical pools A and B symmetrically on the minor axis of the ellipse, the pools A and B are composed of a prefabricated bottom plate, a pool body, and a prefabricated cover plate, the upper end surface of the prefabricated bottom plate is provided with a pressure groove, the bottom of the pool body is placed in the pressure groove, the pool body is composed of two or more pipe sections stacked up and down, the upper part of the lower pipe section is provided with a Y-shaped connecting part that gradually widens from bottom to top, a slot is provided in the middle of the upper end surface of the Y-shaped connecting part, the lower part of the upper pipe section is placed in the slot, and the prefabricated cover plate is placed on the uppermost pipe section for sealing the pool body. The present invention adopts an elliptical thin shell structure, which can evenly disperse the pressure to various parts of the pool body, reduce the pressure on the pool body wall, and improve the service life and quality of the product; the prefabricated bottom plate, the pool body, the prefabricated cover plate, and the partition are all prefabricated separately, which is convenient for manual handling and installation.

The application discloses a complex-structure heat exchange device and an additive manufacturing method thereof, which comprises a hemispherical base in a cavity structure, wherein the lower end of the hemispherical base is provided with a cold water inlet, and the upper end of the hemispherical base is provided with a plurality of water outlet channels; the upper end of the hemispherical base is connected with a hollow columnar thin shell structure, the side wall of the hollow columnar thin shell structure is provided with a to-be-cooled liquid inlet and a to-be-cooled liquid outlet in directions away from each other at the upper and lower ends; the upper end of the hollow columnar thin shell structure is connected with a hemispherical top cover in a cavity structure, the upper end of the hemispherical top cover is provided with a hot water outlet, and the lower end of the hemispherical top cover is provided with a plurality of water inlets; a multi-stage branch structure flow channel combination is arranged in the hollow columnar thin shell structure after arraying, the water inlets of the multi-stage branch structure flow channel combination are communicated with the water outlet channels on the hemispherical base, and the water outlets of the multi-stage branch structure flow channel combination are communicated with the water inlets on the hemispherical top cover.

The utility model relates to a tubular beam middle installation support which is of a thin shell structure on the whole and comprises a left supporting plate, a right supporting plate, a main machine installation support, an interior trim buckle installation support and a tubular beam installation support, the main machine installation support comprises two main machine installation plates, and the two main machine installation plates are arranged on the two sides of the left supporting plate respectively. The main machine installation plate is provided with main machine installation holes, the interior trim buckle installation support comprises two interior trim buckle installation lug plates, the two interior trim buckle installation lug plates are correspondingly arranged on the two main machine installation plates, interior trim buckle installation holes are formed in the interior trim buckle installation lug plates, and the tubular beam installation support comprises two tubular beam installation plates. The two tubular beam mounting plates are arranged on the two sides of the right supporting plate respectively, tubular beam mounting holes are formed in the tubular beam mounting plates, and wire harness passing holes are formed in the right supporting plate. According to the utility model, the functions of a plurality of traditional independent brackets are integrated, so that the efficiency and quality of automobile manufacturing are obviously improved, the production procedures and time are reduced, and the consistency and reliability of products are improved.

The present invention provides an isogeometric display dynamics calculation method for solving large deformation analysis of thin-shell structures in non-conforming complex CAD models, belonging to the field of display dynamics technology. First, a CAD design model is input and its NURBS parameters are obtained. Second, the CAD design model is subjected to isogeometric display dynamics analysis of large deformation thin-shell structures. Finally, the isogeometric display dynamics calculation results are output. The present invention effectively solves the processing difficulties of complex non-conforming CAD models in isogeometric analysis and display dynamics solutions for large deformation thin-shell structures.

A drawing die for a variable-width flange basin-shaped part, its design and usage method. The basin-shaped part is a symmetric thin-shell structure with a depth-to-diameter ratio greater than 0.25, and its theoretical model contains an approximately gourd-shaped variable-width flange edge and a circular cavity basin. According to the theoretical model of the basin-shaped part, a process model with gradually changing thickness in multiple zones of the flange is designed; a drawing die with a multi-zone variable clearance fit relationship of the blank-holding surface is designed according to the process model; the drawing die of the present application is beneficial to ensure uniform pressing of each zone of the actually drawn variable-thickness flange, can reduce or even avoid repeated trial-and-error die repair, overcome the engineering application problems of variable clearance blank-holding and uneven load-bearing of large drawing dies, and has remarkable advantages such as uniform force on the flange, low thinning, small die repair workload, and simple operation.

The invention belongs to the technical field of building structure construction, provides an inner film external spraying method for building a thin shell structure, particularly can be used for building various special-shaped thin shell structures, and has the characteristics of high adaptability, diversity and applicability and high economical efficiency. The structure stress is more reasonable, the adaptability is wider, and the diversity of building appearance forming is remarkably improved. And by adopting the overall one-time forming technology of the outline, the stress of the structure is more reasonable, the overall integrity and stability are firmer, and the appearance is excellent under various external forces, so that the application value and the use safety are further improved. Meanwhile, the technology subverts a traditional cast-in-place concrete pouring technology, layered and segmented operation construction is conducted through sprayed concrete, operation of constructors is reduced, risk factors are reduced, the construction efficiency is improved, and construction is safer and more reliable.

This invention discloses a multi-curved formwork system and its construction method for thin-shell concrete structures. The multi-curved formwork system includes an adjustable multi-curved formwork for adapting to the curved surface of the thin-shell concrete structure to be poured; a vertical frame supported between the ground and the adjustable multi-curved formwork; and multiple adjusting screw assemblies positioned between the ground and the adjustable multi-curved formwork, each of which can adjust the curved shape of the adjustable multi-curved formwork according to its length extension and contraction. This invention avoids problems such as grout leakage and formwork bursting.

The present invention relates to the field of storage structures, aiming to solve the problems of small material storage capacity, high structural cost, and poor load-bearing capacity in the prior art, and provides a combined above-ground and underground storage repository structure, which includes a lower silo body and an upper dome; the silo side wall of the lower silo body is covered outside the wall of a conical pit with a large upper part and a small lower part formed by digging from the ground, and the silo side wall encloses a conical accommodation cavity; the upper dome is a thin-shell structure convex upward, and the upper dome defines an upper accommodation space; the upper dome covers the upper end opening of the conical accommodation cavity; the upper accommodation space and the conical accommodation cavity are communicated. The beneficial effect of the present invention is that it can use a structure with lower strength and load-bearing capacity to store and support more materials, and the stress condition of the storage structure is good.

The invention discloses a calculation method for accurately predicting deformation of a cylindrical explosion vessel, which comprises the following steps of: firstly, aiming at a cylindrical thin shell structure, establishing a radial dynamic balance equation for describing the dynamic response of the cylindrical thin shell structure, obtaining a reflection pressure load model based on a simplified finite element model, and proposing a linear strengthening rigid-plastic hypothesis of a cylindrical shell material; solving the length of the deformation area by using an energy method; after displacement and bending moment boundary conditions are substituted, a theoretical calculation method capable of quantitatively predicting time domain and space domain deformation of the cylindrical explosion container is established; according to the method, a computable parameter system is provided for the design of the explosion container, a theoretical predicted value is well matched with a test result, and the theoretical blank of a traditional empirical formula under a near-field explosion working condition is filled.