{"id":3733,"date":"2022-06-20T11:06:58","date_gmt":"2022-06-20T09:06:58","guid":{"rendered":"https:\/\/www.geostru.eu\/?post_type=product&#038;p=3733"},"modified":"2026-05-25T17:45:13","modified_gmt":"2026-05-25T15:45:13","slug":"multi-channel-analysis-surface-waves-easy-masw","status":"publish","type":"product","link":"https:\/\/www.geostru.eu\/ro\/shop\/software-ro\/geofizica\/multi-channel-analysis-surface-waves-easy-masw\/","title":{"rendered":"Multi-Channel Analysis of Surface Waves &#8211; Easy MASW"},"content":{"rendered":"<p>\u00cen faza de prelucrare spectrala este permis utilizatorului sa vizualizeze dispersia unui model sintetic personalizabil a c\u0103rui rezultate sunt redate direct pe spectrul viteza-frecvente.<br \/>\nGenerarea spectrului viteza-frecvente permite individualizarea eficienta a modurilor. Utilizatorul poate selecta punctele asupra c\u0103rora se face inversia direct pe spectrul viteza-frecvente \u0219i poate asigna fiec\u0103rui punct modul la care face referin\u021ba.<\/p>\n<p><strong>Import date de input<\/strong><br \/>\nDatele pot fi importate din fi\u0219iere \u00een format standard SEG2, SEGY \u0219i SU precum \u0219i din fi\u0219iere text. Dup\u0103 importul datelor se va realiza desenul cu dispozi\u021bia geometrica a surselor \u0219i receptorilor. Desenul este un raport complet \u00een care se reg\u0103sesc cotele pozi\u021biilor geofonilor \u0219i scalele ad\u00e2ncimilor. Pe l\u00e2ng\u0103 pozi\u021bia geometrica sunt vizualizate \u0219i seismografele din teren. \u00cen aceasta faza utilizatorul poate face opera\u021bii asupra semnalelor deciz\u00e2nd daca sa exclud\u0103 o parte din seismografe, sa deplaseze sau sa \u00eensumeze aceste array virtuale.<\/p>\n<p><strong>Analiza semnalului<\/strong><br \/>\nAnaliza undelor Rayleigh folosind tehnica MASW se realizeaz\u0103 prin intermediul analizei spectrale a semnalului, execut\u00e2nd o dubl\u0103 transformata Fourier, \u00een domeniu timp \u0219i spa\u021biu. Domeniul transformat (f-k) este reprezentat at\u00e2t \u00een 2D cat \u0219i \u00een 3D \u0219i permite eviden\u021bierea semnalului produs de undele Rayleigh fata de alte tipuri de semnal.<br \/>\n\u00cen domeniul transformat, de altfel, se observa foarte bine dependenta vitezei undelor de frecventa iar curba de dispersie se traseaz\u0103 cu u\u0219urin\u021ba, consider\u00e2nd, pentru fiecare frecventa, amplitudinea maxima a spectrului. Curba de dispersie experimentala este extrasa automat de program iar utilizatorul poate decide sa o aproximeze cu o func\u021bie polinomiala adaptabila excluz\u00e2nd punctele nesemnificative.<\/p>\n<p><strong>Curba de inversie teoretica<\/strong><br \/>\nAsign\u00e2nd un model geotehnic ini\u021bial caracterizat de anumite valori precum num\u0103rul \u0219i grosimea stratelor, greutate volumica, coeficientul lui Poisson, etc. se ob\u021bine curba de inversie teoretica \u0219i se compara cu cea experimentala. Procedura de variabilitate a parametrilor modelului continua pana c\u00e2nd se ob\u021bine cea mai bun\u0103 suprapunere a curbei teoretice cu curba de inversie experimentala, \u00een intervalele stabilite \u00een timpul fazei de Picking. Procedura de matching a fost realizata cu metode numerice statistice avansate. O serie de func\u021bionalit\u0103\u021bi adi\u021bionale permit un control direct asupra acestui proces delicat de inversie: se poate stabili intervalul de variabilitate a vitezelor pentru fiecare strat, impune viteze pe un anumit segment, asigna condi\u021bii particulare precum profile de viteze cresc\u0103toare cu ad\u00e2ncimea, etc.<\/p>\n<p><strong>Vizualizare Moduri<\/strong><br \/>\nPentru fiecare prelucrare se pot vizualiza, pe l\u00e2ng\u0103 modul fundamental asupra c\u0103ruia se bazeaz\u0103 procedura de matching a curbelor, \u0219i modurile superioare.<\/p>\n<p><strong>Parametri geotehnici<\/strong><br \/>\nEasy Masw permite determinarea, pe l\u00e2ng\u0103 profilul vitezei, a VS30, a Clasei de subsol \u0219i a anumitor parametri geotehnici precum: Modulul lui Young, Modulul de forfecare, Modulul edometric, Modulul de compresibilitate, Rezistenta de v\u00e2rf a penetrometrului static, Nspt corela\u021bie cu penetrometrul dinamic.<\/p>\n<p><strong>Raport de calcul<\/strong><br \/>\nProgramul ofer\u0103 un detaliat raport de calcul care include at\u00e2t rezultatele numerice cat \u0219i grafice. Graficele pot fi exportate \u00een format DXF, BMP sau JPG..<\/p>\n<p><strong>Schimb de date cu alte programe GeoStru<\/strong><br \/>\n\u00cencercarea seismica poate fi exportata pentru alte programe GeoStru: Slope, LoadCap, MP \u0219i Stratigrapher pentru redactarea stratigrafiei.<\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align: justify;\"><strong>Easy MASW<\/strong> este un nou software produs de GeoStru pentru interpretarea \u0219i arhivarea datelor seismice folosind metoda MASW (<em>Multi-Channel Analysis of Surface Waves<\/em>). Este un instrument u\u0219or de utilizat care, prin intermediul unor pa\u0219i simplii, permite realizarea profilului vitezelor undelor de forfecare <strong>Vs.<\/strong> Programul permite efectuarea inversiei utiliz\u00e2nd mai multe moduri.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":21864,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[3722,84],"product_tag":[410,416],"class_list":{"0":"post-3733","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized-ro-2","7":"product_cat-geofizica","8":"product_tag-easy-masw-ro","9":"product_tag-masw-ro-2","10":"pa_product-professional-ro-2","11":"pa_product-subscription-1-year1","12":"description-off","14":"first","15":"instock","16":"downloadable","17":"virtual","18":"sold-individually","19":"taxable","20":"purchasable","21":"product-type-licensed"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.0) - 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