9 results about "Structural factor" patented technology

The application discloses a geothermal caprock evaluation modeling method and belongs to the technical field of geothermal resource exploration. In view of the problems that existing caprock evaluation standards are uneven, subjective and lack of quantitative coupling of structural factors and calibration of measured data, the application firstly acquires caprock physical properties and structural data; secondly, a single-factor evaluation model based on physical mechanism is constructed for lithology, thickness, permeability and thermal conductivity; on this basis, a structure-mechanical-integrity coupling model is constructed, which includes basic structure scores, fracture risk indexes and plastic self-repairing capacity factors; finally, by using observation data such as historical breakthrough pressure and leakage events, key parameters in the above model are calibrated through regression and Bayesian methods. The method forms a unified and portable caprock evaluation basic model system, reduces subjectivity, and improves the stability and interpretability of the evaluation results.

The invention belongs to the technical field of reactor engineering, and discloses a steam generator throttling element designing, manufacturing and calibrating integrated method and system.The method comprises the steps of throttling element structure type selection, specifically, in the wide resistance coefficient range, the throttling element structure type of a target steam generator is determined; structural sensitivity analysis: on the basis of a throttling element structural model selection result, through a computer numerical simulation method, calculating and analyzing an association relationship between specific structural factors and a resistance coefficient of the throttling element, and fitting a corresponding association formula; analyzing the machining precision accessibility of the feature structure: calculating and analyzing the difficulty degree of machining the feature structure of the throttling element to preset precision, and feeding back to the structural sensitivity analysis process for optimization and refinement; and constructing and applying a three-dimensional parameterized model: establishing the three-dimensional parameterized model, performing parameterized design and parameterized solution, and finally outputting the three-dimensional structure and size of the throttling element. According to the invention, the integrated work of design, manufacturing and calibration of the throttling element of the steam generator can be realized.

The present invention relates to the technical field of chip processing, specifically a chip placement path planning method and system, including the following steps: obtaining placement path coordinates and calculating path vectors, screening overlapping risk path segments based on path angles and distances, extracting structural response data to calculate amplitude response inertia factors and generating a set of structural factors, adjusting dynamic parameters according to control thresholds to generate an amplitude compression parameter set, and eliminating interference paths to generate an executable path set. In the present invention, by introducing a construction method of path vectors into the placement path, the expression accuracy of path geometric changes is improved, and then path segment screening is carried out under the dual constraints of path direction angle and spatial distance to achieve directional recognition of convergent overlapping paths. Three indicators, namely return time, end angle fall value, and response delay time, are introduced into the action response data of the placement device, enabling the dynamic stability of the placement device to have a quantifiable expression ability.

A system capable of calculating a structure factor of a thin film formed on a substrate includes a measurement data acquiring section, a total scattering data calculating section, and a structure factor calculating section. The processing apparatus is configured to be capable of calculating a structure factor of a film formed on a substrate. The total scattering data calculating section acquires first total scattering data Isp and second total scattering data Isub from the measurement data acquiring section, and calculates total scattering data ITF of only a film portion based thereon. The total scattering data ITF of only the film portion is determined by subtracting a product of the second total scattering data Isub and an absorption factor Asub of the substrate from the first total scattering data Isp.

The invention relates to the technical field of geological exploration and coal mine safety mining, in particular to a coal seam roof stability prediction method based on multiple structural factors, which comprises the following steps of: 1, determining structural factors influencing the stability of a coal seam roof and quantitative prediction indexes of each factor, the influence factors comprise roof lithology, a rock mass structure, a geological structure, ground stress and hydrogeology; 2, calculating a prediction index quantized value; 3, generating a single-index grid network by using Surfer software; 4, determining subjective and objective weights of each prediction index; 5, coupling the subjective weight and the objective weight to form a corrected weight; and 6, performing weighted superposition on each index by using ArcGIS software, and performing partition prediction on the stability of the coal seam roof. According to the method, the stability of the coal seam roof can be accurately predicted in a zoning mode, the situation that the coal seam roof is not excavated and then protected is achieved, the accident rate of the roof is reduced, casualties and economic losses are reduced, and technical support is provided for optimizing roof management measures.

This invention belongs to the field of aircraft structural performance evaluation technology, specifically involving a method for determining the allowable stress for durability design of aircraft metal structures. First, the baseline local allowable stress is calculated under a given material and load spectrum using fatigue analysis. Considering actual structural factors, an equivalent stress concentration factor is introduced to correct the baseline local allowable stress. Furthermore, a stress correction factor is introduced based on the correction of theoretical analysis results using fatigue tests. Considering reliability requirements, a fatigue uncertainty factor is also introduced, thereby establishing a set of analogous calculation formulas to determine the allowable stress for durability design. The calculation formula is: where, [σ max,0 [K] is the reference local allowable stress. te C is the equivalent stress concentration factor, SCF is the stress correction factor, FSF is the fatigue uncertainty factor, and C is the stress concentration factor. load This is the load conversion factor. This invention simplifies the fatigue test matrix while ensuring the accuracy of theoretical analysis; it can quickly determine whether the structural fatigue margin meets the requirements, thus enabling durability analysis to cover the entire load-bearing structure of the aircraft.

In at least one example, a method for rheology-based modeling to identify a structure factor of polymeric materials includes generating a data set for a plurality of polymer ensembles, where each of the plurality of polymer ensembles comprises a corresponding plurality of polymers within a defined range of molecular weights, generating a respective rheology curve for each of the plurality of polymer ensembles, where the respective rheology curve comprises a plurality of input features for a corresponding polymer ensemble, rescaling a modulus value of the respective rheology curves for each of the plurality of input features to generate a plurality of output features, and training a machine learning model to determine a structure factor profile for polymer chains from a rheology measurement of an unknown polymer sample utilizing the plurality of output features with corresponding values from the data set.

According to the present invention, a processing device, a system, a method, and a program are provided that are capable of calculating a structure factor of a thin film formed on a substrate. A processing device 100 mainly comprises a measurement data acquisition section 110, a total dispersion data calculation section 120, and a structure factor calculation section 130. The processing device 100 is configured to be capable of calculating a structure factor of a film formed on a substrate. The total dispersion data calculation section 120 acquires initial total dispersion data I sp and second total dispersion data I sub from the measurement data acquisition section 110, and calculates total dispersion data I TF from only one film segment based on it. The total dispersion data I TF from only the film segment by subtracting a product of the second total dispersion data Isub and an absorption factor A sub of the substrate from the first total dispersion data I sp certainly.

The invention provides a high-temperature press-in stress relaxation testing system, which belongs to the field of material high-temperature mechanical property testing and comprises a press-in system, a measuring system, a heating system, a fixing frame, an environment adjusting system and a data acquisition system. According to the equipment, constant deformation is applied through a press-in method under the high-temperature condition, the stress relaxation behavior of a material under the high-temperature condition is monitored in real time, and the environment temperature is adjusted by adopting an environment adjusting system so as to ensure the stability of a test environment. According to the method, the high-temperature stress relaxation performance of the micro sample can be evaluated, the restriction of component size and structural factors is avoided, a reference is provided for high-temperature performance evaluation of components with complicated structures or small sizes, and accurate control of the high-temperature performance of real service components is facilitated.