312results about "Analogue computers for heat flow" patented technology

A Flogrid Simulation Gridding Program includes a Flogrid structured gridder. The structured gridder includes a structured areal gridder and a block gridder. The structured areal gridder will build an areal grid on an uppermost horizon of an earth formation by performing the following steps: (1) building a boundary enclosing one or more fault intersection lines on the horizon, and building a triangulation that absorbs the boundary and the faults; (2) building a vector field on the triangulation; (3) building a web of control lines and additional lines inside the boundary which have a direction that corresponds to the direction of the vector field on the triangulation, thereby producing an areal grid; and (4) post-processing the areal grid so that the control lines and additional lines are equi-spaced or smoothly distributed. The block gridder of the structured gridder will drop coordinate lines down from the nodes of the areal grid to complete the construction of a three dimensional structured grid. A reservoir simulator will receive the structured grid and generate a set of simulation results which are displayed on a 3D Viewer for observation by a workstation operator.

Systems and methods are provided for determining data center cooling and power requirements and for monitoring performance of cooling and power systems in data centers. At least one aspect provides a system and method that enables a data center operator to determine available power and cooling at specific areas and enclosures in a data center to assist in locating new equipment in the data center.

A system and method for designing a wear article for an object comprises providing a virtual three-dimensional model of the object, including first data representing three dimensions of the object. Virtual two-dimensional patterns representing different portions of the wear article are assembled into a virtual three-dimensional wear article. The virtual three-dimensional wear article includes second data representing three dimensions of the wear article. A material type is associated with one or more of the virtual patterns and the virtual three-dimensional wear article. The material type has third data representing at least one physical property of the material type. In order to display the virtual three-dimensional wear article on the virtual three-dimensional model, the first and second data are compared to determine the non-intersection of the virtual three-dimensional wear article with the virtual three-dimensional object. The virtual three-dimensional wear article is then conformed to the virtual three-dimensional model within constraints imposed by the third data. With this arrangement, the system and method enables the virtual wear article to stretch, flex, sag, etc., on the virtual model to better approximate the real-life fit and look of the wear article on an object during design of the wear article.

A method of simulating aerial images of large mask areas obtained during the exposure step of a photo-lithographic process when fabricating a semiconductor integrated circuit silicon wafer is described. The method includes the steps of defining mask patterns to be projected by the exposure system to create images of the mask patterns; determining an appropriate sampling range and sampling interval; generating a characteristic matrix describing the exposure system; inverting the matrix to obtain eigenvalues as well as the eigenvectors (or kernels) representing the decomposition of the exposure system; convolving the mask patterns with these eigenvectors; and weighing the resulting convolution by the eigenvalues to form the aerial images. The method is characterized in that the characteristic matrix is precisely defined by the sampling range and the sampling interval, such that the sampling range is the shortest possible and the sampling interval, the largest possible, without sacrificing accuracy. The method of generating aerial images of patterns having large mask areas provides a speed improvement of several orders of magnitude over conventional approaches.

A method is provided for facilitating installation of one or more electronics racks within a data center. The method includes: placing a plurality of thermal simulators in the data center in a data center layout to establish a thermally simulated data center, each thermal simulator simulating at least one of airflow intake or heated airflow exhaust of a respective electronics rack of a plurality of electronics racks to be installed in the data center; monitoring temperature within the thermally simulated data center at multiple locations, and verifying the data center layout if measured temperatures are within respective acceptable temperature ranges for the data center when containing the plurality of electronics racks; and establishing the plurality of electronics racks within the data center using the verified data center layout, the establishing including at least one of reconfiguring or replacing each thermal simulator with a respective electronics rack.

A force sense presentation device for presenting a sense of force in virtual space to a user, comprises: a fixed unit which is gripped by the user; a force sense presentation unit which presents a sense of force; an actuator which supplies a driving force and operates the force sense presentation unit relative to the fixed unit; a joint unit which is provided between the fixed unit and the force sense presentation unit, and guides the relative operation of the force sense presentation unit; and a force sense rendering unit which controls the relative operation of the force sense presentation unit by the actuator, wherein the force sense presentation device simulates a device which is gripped and used by the user, and the force sense rendering unit controls the relative operation of the force sense presentation unit based on a position and orientation of the device in the virtual space.

A novel method is presented to automatically design a multi-well development plan given a set of previously interpreted subsurface targets. This method identifies the optimal plan by minimizing the total cost as a function of existing and required new platforms, the number of wells, and the drilling cost of each of the wells. The cost of each well is a function of the well path and the overall complexity of the well

The present invention provides for a method and apparatus for seismic data processing. Prestack seismic data is obtained that contains a plurality of reflectors. Non-parallel moveout of the plurality of reflectors is utilized to determine a source wavelet using an L2-Norm and a reflectivity parameter using an L1-Norm. The source wavelet and reflectivity parameters can be determined simultaneously. Source and reflectivity determination may further comprise minimization of a model objective function. The model objective function may be a function of at least one of i) said source wavelet, ii) a gradient parameter and iii) an intercept parameter. An AVO intercept and gradient parameters can be determined using the determined source wavelet and reflectivity parameter. Constraints may be placed on parameters to ensure physically realistic solutions.

A system and method for statistical design of an ultrasound probe and imager system, and an associated graphical user interface for selecting input parameters to be used in an ultrasound simulation. The process and computer code allow the performance of a probe and imager combination to be specified and jointly optimized in image quality terms. The designs produced optimize both the image quality and other CTQ (critical to quality) parameters, such as the distribution of regulatory power indices and mechanical index. These CTQs indirectly affect image quality through their effect on patient dose. The Transducer Design Advisor incorporates a graphical user interface for facilitating selection of a parameter set to be used in the simulation. The user selects a desired parameter set by navigating across and interacting with a succession of windows. The user specifies various geometric characteristics of the transducer and how the user wants to simulate the imager system. Finally, the user specifies weights for the various CTQs at different depths. Based on these inputs, the Transducer Design Advisor creates the files needed by the ultrasound simulator.

Systems and methods are described that provide a Heat Flow Model (HFM) graph modeling methodology. Embodiments automatically translate formal HVAC system descriptions from a Building Information Model (BIM) into HFM graphs, and compile the graphs into executable FDD systems. During an engineering phase, a user interface is used to enter parameters, conditions, and switches not found in the BIM. During a runtime phase, real-time data from an HVAC control system is input to the generated FDD system (HFM graph) for fault detection and diagnosis.

A method of extracting desired features from a cellular image including the steps of: (a) selecting an initial cell within the image; (b) selecting an additional cell, near the initial cell, appearing to be associated with a desired feature; (c) repeating step (b) for further cells, near at least one of the previously selected cells, appearing to be associated with said feature, until selection termination criteria are satisfied; and (d) repeating steps (a) through (c) for other initial cells. The method is particularly adept at extracting relatively weakly defined features in relatively noisy images, such as extracting faults or geologic horizons from 2D or 3D seismic data. A method of editing/filtering the features utilizing a stereo net is also disclosed. Related computer system and computer program products for implementing the method are also described.

Method for activation of the regeneration of a particulate filter for a motor vehicle engine, comprising the steps of calculating an estimated value (x_M) of a quantity of particulate accumulated in the particulate filter; comparing (8) the estimated value (x_M) with a threshold value (m_TH) corresponding to a predetermined maximum quantity of particulate; and activating the regeneration (9) if the estimated value (x_M) exceeds the threshold value (m_TH). The step of calculating an estimated value (x_M) comprises the steps of estimating a first quantity of particulate (x_MS) accumulated in the particulate filter by means of a statistical model (3) based on experimental data; estimating a second quantity of particulate (x_MF) accumulated in the particulate filter by means of a physical model (2) using physical quantities measured; determining a field of admissibility on the basis of the first quantity of particulate (x_MS); comparing the estimated value (x_M) with the second quantity of particulate (x_MF) if the second quantity of particulate (x_MF) is within the field of admissibility; and limiting the estimated value (x_M) if the second quantity of particulate (x_MF) is outside the field of admissibility.

The present invention is a method for processing seismic data comprising acquiring seismic data using a sweep sequence including a plurality of cascaded sweep segments. The seismic data include a plurality of data segments and a listen time. The listen is combined with an initial data segment. The seismic data segments are phase shifted to a phase of a target data segment to be denoised (i.e. removal of ambient, harmonic and coherent noise). A difference between the target data segment and the remaining data segments is determined. If the determined difference exceeds a predetermined threshold, data in the target data segment is replaced with data derived from the remaining data segments. The data segments may be stacked to form a new target data segment. The listen time is extracted from the initial data segment.

Distributed computing methods and systems are disclosed, wherein intensive fatigue-risk calculations are partitioned according to available computing resources, parameters of the fatigue-risk calculation, time-sensitive user demands, and the like. Methods are disclosed wherein execution-cost functions are used to allocate accessible computing resources. Additional methods include partitioning calculation tasks by user-prioritized needs and by general mathematical features of the calculations themselves. Included herein are methods to calculate only prediction-maximum likelihoods instead of full probability distributions, to calculate prediction likelihoods using Bayesian prediction techniques (instead of full re-tabulation of all data), to collate interim results of fatigue-risk calculations where serial results can be appropriately collated (e.g., serial time-slice independence of the cumulative task involved), to use simplified (e.g., linear, first-order) approximations of richer models of fatigue prediction, to assign user-identified priorities to each computational task within a plurality of such requests, and the like.