A comparison of two spectral approaches for computing the Earth response to surface loads

first_imgWhen predicting the deformation of the Earth under surface loads, most models follow the same methodology, consisting of producing a unit response that is then con-volved with the appropriate surface forcing. These models take into account the whole Earth, and are generally spherical, computing a unit response in terms of its spherical harmonic representation through the use of load Love numbers. From these Love numbers, the spatial pattern of the bedrock response to any particular scenario can be obtained. Two different methods are discussed here. The first, which is related to the convolution in the classical sense, appears to be very sensitive to the total number of degrees used when summing these Love numbers in the harmonic series in order to obtain the corresponding Green’s function. We will see from the spectral properties of these Love numbers how to compute these series correctly and how consequently to eliminate in practice the sensitivity to the number of degrees (Gibbs Phenomena). The second method relies on a preliminary harmonic decomposition of the load, which reduces the convolution to a simple product within Fourier space. The convergence properties of the resulting Fourier series make this approach less sensitive to any harmonic cut-off. However, this method can be more or less computationally expensive depending on the loading characteristics. This paper describes these two methods, how to eliminate Gibbs phenomena in the Green’s function method, and shows how the load characteristics as well as the available computational resources can be determining factors in selecting one approach.last_img read more

Numerical simulations of katabatic jumps in coats land, Antartica

first_imgA non-hydrostatic numerical model, the Regional Atmospheric Modeling System (RAMS), has been used to investigate the development of katabatic jumps in Coats Land, Antarctica. In the control run with a 5 m s-1 downslope directed initial wind, a katabatic jump develops near the foot of the idealized slope. The jump is manifested as a rapid deceleration of the downslope flow and a change from supercritical to subcritical flow, in a hydraulic sense, i.e., the Froude number (Fr) of the flow changes from Fr > 1 to Fr> 1. Results from sensitivity experiments show that an increase in the upstream flow rate strengthens the jump, while an increase in the downstream inversion-layer depth results in a retreat of the jump. Hydraulic theory and Bernoulli’s theorem have been used to explain the surface pressure change across the jump. It is found that hydraulic theory always underestimates the surface pressure change, while Bernoulli’s theorem provides a satisfactory estimation. An analysis of the downs balance for the katabatic jump indicates that the important forces are those related to the pressure gradient, advection and, to a lesser extent, the turbulent momentum divergence. The development of katabatic jumps can be divided into two phases. In phase I, the t gradient force is nearly balanced by advection, while in phase II, the pressure gradient force is counterbalanced by turbulent momentum divergence. The upslope pressure gradient force associated with a pool of cold air over the ice shelf facilitates the formation of the katabatic jump.last_img read more

G’day UK! Oz property software platform signs up 100 branches

first_imgVaultEA, an Australian property software company that has quietly been soft-launching in the UK over the past year and a half, has now signed up 100 branches including most recently 40 offices within the Century 21 network.The company is part of a group that is a dominant player within the antipodean estate agency sector with over 4,050 branches using its platforms in Australia, New Zealand and parts of Asia.This includes its Oz counterparts VaultRE and MyDesktop which combined generated revenues of approximately £6 million (AUS$10.6m) last year.All three are part of larger parent company called the PropTech Group, which has global tech investor Simon Baker as a director.The property software firm’s Bristol-based Sales Director Christian Scandurra, who worked for ten years in Australia in estate agency and technology-based businesses including MyDesktop before returning to the UK, says the company has been working hard at establishing its credentials with UK agents.Here to stayVaultEA is a cloud-based estate agency software designed for both sales and lettings agents and is one of the growing number of ‘one stop shop’ platforms on the market that offer property management, accounts, CRM capabilities, e-marketing and a consumer-facing app for agents.“We see the UK as a fantastic opportunity and we’re here to stay,” says Scandurra.#Chris Summers, Head of Franchising at the SDL Group (pictured), which holds the UK franchise for Century 21, says: “We were looking to move to a new CRM provider to give our 45 offices and new Solo agents a CRM that just did far more.“I looked at many of the leading providers but felt they were all missing something. Along with the excellent sales, crm and emarketing module VaultEA offers far more for our lettings offices including rent collection, landlord paying and statement automated service, built in maintenance reporting and contractor service and much better accounts functions. It’s also very user friendly and the Vault team have handled migration brilliantly.”Read more about proptech.VaultEA Proptech Group Ltd Christian Scandurra proptech Australia April 22, 2021Nigel LewisWhat’s your opinion? Cancel replyYou must be logged in to post a comment.Please note: This is a site for professional discussion. Comments will carry your full name and company.This site uses Akismet to reduce spam. Learn how your comment data is processed.Related articles Letting agent fined £11,500 over unlicenced rent-to-rent HMO3rd May 2021 BREAKING: Evictions paperwork must now include ‘breathing space’ scheme details30th April 2021 City dwellers most satisfied with where they live30th April 2021 Home » News » G’day UK! Oz property software platform signs up 100 branches previous nextProptechG’day UK! Oz property software platform signs up 100 branchesVaultEA has been soft-launching here since at least December 2019 but recently signed up 40 branches of one big agency.Nigel Lewis22nd April 20210867 Viewslast_img read more

Australian Navy launches second Hobart class destroyer

first_img View post tag: Australian Navy Australian Navy launches second Hobart class destroyer The second Hobart class destroyer marked a major milestone in its construction when she was officially named Brisbane and launched in Adelaide on 15th of December.Mrs Robyn Shackleton, wife of former Chief of Navy and Commanding Officer of HMAS Brisbane II, Vice Admiral David Shackleton (retired), was guest of honour and launching lady, sending the destroyer on her way with the traditional toast and smash of a bottle.Mrs Shackleton served in the Navy as a Nursing Officer from 1985 to 1999 and said launching Brisbane is the most important role she has had in the Navy.“The launching of this ship marks the beginning of a new adventure for Brisbane thanks in no small part to the dedicated people constructing her and fitting her out,” Mrs Shackleton said.“I am truly honoured to be the launching lady and feel as if I have come home.”“David speaks fondly of his time in Brisbane and I am so looking forward to meeting every one of my new family and playing an active role in their lives in such a wonderful ship.”Minister for Defence Personnel, the Hon Dan Tehan, attended the launch and said the occasion was the culmination of the hard work and commitment of thousands of workers across Australia.“Australia is undertaking an unprecedented upgrade of its naval capabilities, and the addition of Brisbane to our fleet will help ensure our ongoing national security,” Minister Tehan said.“I have been onboard the first destroyer, Hobart, and it is quite apparent these ships will become a valuable asset to the Royal Australian Navy.” Minister for Defence, Senator the Hon Marise Payne, said Brisbane’s launch was a significant step towards the delivery of three world-leading warships to the Navy.“The Air Warfare Destroyers will be amongst the world’s most capable multi-purpose warships that will provide the Royal Australian Navy with air defence for accompanying ships, land forces and infrastructure in coastal areas,” Minister Payne said.“Brisbane will have cutting edge layered defensive and offensive resources capable of operating across the full range of maritime operations, from escort duties and providing entire task groups with air defence, right through to law enforcement and rescue operations.”Over the coming months, outfitting of Brisbane will continue, as will the loading of combat system equipment.The first ship, Hobart, will sail into waters off the coast of South Australia on sea trials in early 2017 to undertake testing of combat and communications systems and further platform testing.The third destroyer, to be named Sydney, will now move forward into its final position in the shipyard where it will finish being consolidated into a full ship. December 16, 2016 View post tag: Brisbanecenter_img Industry news Back to overview,Home naval-today Australian Navy launches second Hobart class destroyer Share this articlelast_img read more

Council Approves Contracts for Merion Park, Boardwalk, Fire Station

first_imgPushing a car through the flood on Thursday (July 10) on Westminster Lane in Merion Park.At its public meeting on Thursday (July 10) at City Hall, City Council unanimously approved the first reading of an ordinance authorizing the leasing of city-owned land to the American Legion for $1 a year. They also authorized contracts for three major capital projects in Ocean City:Merion Park Pump Stations: City Council approved a $96,500 contract with Michael Baker Jr. Inc. to design pump stations that could help eliminate nuisance flooding. The design contract would be another milestone in an ambitious plan to improve drainage in the low-lying neighborhood near 34th Street.Firehouse Design: City Council approved an $80,200 contract to Czar Engineering of Egg Harbor Township to design a new firehouse at 29th Street. The existing facility was damaged in Superstorm Sandy. Councilman Pete Guinosso cast the lone dissenting vote, because there was a lower bidder. Business Administrator Mike Dattilo said bid numbers were not the only criterium considered in the process/Boardwalk Replacement: City Council awarded a $1.2 million contract to Fred M. Schiavone Construction to complete the next phase of a boardwalk reconstruction project (between Sixth and Seventh streets).In other business, City Council considered the following:Beach Replenishment Easements: City Council approved a procedural ordinance that would grant easements on city-owned property in advance of a fall beach replenishment project for the south end. In the process of gathering easements from private landowners, the city obtained new parcels, making the ordinance necessary.New Tourist Development Commission Members: City Council approved an ordinance that adds two non-voting members to the city’s Tourist Development Commission. The city administration said the change gives different segments of the business community better representation on the board, and it provides a method for effective succession of new members.The Soleil: City Council approved a resolution directing the Planning Board to re-examine a redevelopment plan for the parking lot next to the Flanders Hotel — where a six-story condominium complex is proposed. Read more on the proposal for The Soleil in Ocean City, NJ.last_img read more

Umphrey’s McGee Performs Prince Tribute Show For Halloween [Video]

first_imgOn Saturday night, Umphrey’s McGee returned to The Palace Theatre in St. Paul, Minnesota for the second night of their Halloween run, performing a tribute to the late and legendary Prince. For Saturday’s performance, each member of the six-piece donned a costume representing different eras from Prince’s long-running career. Throughout the show, Umphrey’s wove in numbers from Prince’s catalog, kicking things off with the band’s debut cover of “Let’s Go Crazy” off 1984’s Purple Rain.“Let’s Go Crazy” Check out the band’s recap video below:Setlist: Umphrey’s McGee | Palace Theatre | St. Paul, MN | 10/28/2017Set One: Let’s Go Crazy [1], Bridgeless > Blue Echo > Rocker Part 2, The Linear [2] > Bridgeless, Raspberry Beret [1]Set Two: I Wanna Be Your Lover [3] > Ocean Billy [4], Utopian Fir > Attachments, Mulche’s Odyssey, Little Red Corvette [1]Encore: 1999 [1]Notes: [1] debut, Prince | [2] with Driven to Tears (The Police) and Tom Sawyer (Rush) teases | [3] debut, Prince; with Ahmed Gallab on vocals; with #5 jam | [4] with Wanna Be Startin’ Somethin’ (Michael Jackson) jam [Photo: Umphrey’s McGee’s Facebook] Following this opening cover, the majority of the first set was housed in a “Bridgeless” sandwich, with the first instance of the song moving through “Blue Echo” and “Rocker Part 2”. After a quick pause, the band came back with “The Linear”, which saw an extensive percussion solo ahead of the song’s climax, before landing back into “Bridgeless”. From there, Umphrey’s closed the set with yet another debut cover of Prince, this time “Raspberry Beret” off 1985’s Around The World In A Day.Umphrey’s McGee Pays Tribute To Fallen Former Bandmate Mike Mirro In St. Paul [Video]To start off the second set, Sinkane’s Ahmed Gallab came out to offer vocals on Umphrey’s McGee’s debut cover of “I Wanna Be your Lover”. Following this cover, Gallab departed from the stage, leaving the band to perform “Ocean Billy”, which saw tastes of Michael Jackson’s “Wanna Be Startin’ Somethin’” within it. The next tune, “Utopian Fir”, again saw references to The Purple One, as the band worked in a verse from Prince’s “7”. After performances of “Attachments” and “Mulche’s Odyssey”, Umphrey’s closed out set two with the debut cover of “Little Red Corvette” before offering the debut of “1999” as the encore for their Prince-inspired Halloween tribute set.“I Wanna Be Your Lover”last_img read more

Cooking to Share

first_imgThey say that the quickest way into someone’s heart is through their stomach. For one group of Georgia 4-H club members, their heartfelt, healthy meals are touching the hearts of their community one family at a time.For the past six years, 4-H Club members in Oglethorpe County have provided meals to needy families through the Cooking to Share program. In that time, almost 1,000 students have come together to cook meals for 39 families in need and learned some important lessons about food preparation and healthy eating along the way.“I like knowing that we’re making sure someone’s going to have a meal that night, and we’re making sure that meal’s going to be delicious,” said Ja’Khiyan Brown, an eighth-grade Georgia 4-H member who has been participating in Cooking to Share for the past three years.Brown was one of 25 4-H’ers who gathered in the University of Georgia Cooperative Extension office in Oglethorpe County on a 30-degree January afternoon to whip up trays of ziti and salad for a local family. As they do each month, the students met after school to chop, boil and brown ingredients and interpret recipes. They’re supervised by a team of adults including Oglethorpe County Extension 4-H Agent Marcus Eason, Family and Consumer Sciences Agent Brad Averill, AmeriCorps member Jade Andrews, and, Eason’s mother, Jane Eason, who volunteers to help coach the young cooks.Next, the students donated the meal to a local family in need identified by the school social worker at Oglethorpe County Middle School. The results are grateful families and middle school kids with new life skills.Eason modeled the program after the successful Cooking to Care program pioneered by Oconee County 4-H. The programs began as an initiative to teach kids safe food preparation and kitchen safety. Around half of all foodborne illnesses occur in those under age 15.After participating in the program, the 4-H’ers reported that they had increased their knowledge of foodborne illness by 90 percent, increased their skills in the kitchen by 95 percent and increased their understanding of the need to help those less fortunate than themselves by 100 percent.Many parents of participants have noticed a significant increase in their child’s interest in food and willingness to help around the kitchen.By supporting struggling families and helping kids gain the skills and confidence they need in the kitchen, Cooking to Share has brought Oglethorpe County 4-H’ers to the table in terms of community and family engagement, Eason said.“They’re learning about food safety, healthy diets, knife skills and kitchen safety, but they’re also providing a service to the community,” Eason said. “So they’re actually learning a lot about giving back.”To learn more about UGA Extension’s 4-H programs that benefit students and communities, visit Georgia4H.org.last_img read more

Looking good by doing your people good

first_imgby: Joseph WinnIf your credit union has a record year of awesomeness, do you reap any benefits? Do the CEO and board offer you a raise? Maybe first choice in the holiday kickball game? If nothing else, will songs be sung of your glorious battles?Success should be rewarded, of course. This helps reinforce good activities and inspire future successes. What if I said there was a strategy your CU could take that almost ensures regional, if not national, exposure?Of course, you might be doing it already, in which case, skip over all the boring explanation parts and get right to the marketing suggestions at the end. Only I’m not telling where one section ends and another begins…good luck! (It’s probably easier just to read the whole thing)What’s the first line of relationship between your institution and member? The team of member relations agents! Who establishes the first layers of trust and advice for your members? Yes, that same bunch. Are they also invested in everyone’s success? continue reading » ShareShareSharePrintMailGooglePinterestDiggRedditStumbleuponDeliciousBufferTumblrlast_img read more

Suffolk County Conservative Party Chair Ed Walsh Charged With Fraud

first_imgSign up for our COVID-19 newsletter to stay up-to-date on the latest coronavirus news throughout New York The Suffolk County Conservative Party chairman was arrested Wednesday for allegedly stealing about $80,000 in wages for hours he did not work at his job in the county sheriff’s office, authorities said.Edward Walsh, who leads the largest Conservative Party chapter in New York State, was charged at Central Islip federal court with scheme to defraud.“Mr. Walsh shook down county government for hours he never worked,” said George Venizelos, Assistant Director-in-Charge of the FBI’s New York office. “In reality, he was often on the ninth hole practicing his putting.”Federal prosecutors said the 48-year-old East Islip man, who worked as a high-level corrections officer in addition to his party chairmanship, falsely claimed to have worked hours at the Suffolk County Sheriff’s office while he was instead golfing or gambling at Foxwoods Casino, or performing work on behalf of the Suffolk County Conservative Party between 2011 and 2014.Walsh allegedly lied to FBI agents by claiming that he worked flex time or was on the telephone regarding his work at the Sheriff’s office even while at the golf course, according to investigators.Walsh’s boss, Suffolk County Sheriff Vincent DeMarco, who was elected to his position on the Conservative Party line, referred the findings of an internal investigation to the FBI, the sheriff said.“Protecting the integrity of the Sheriff’s Office and the reputation of the hardworking men and women of this office is a high priority,” DeMarco said. “Violation of the public trust by a sworn officer flies in the face of the oath of office and is inexcusable.”Suffolk County Legis. Kate Browning (WF-Shirley), chair of the public safety committee, said she asked the county Office Labor Relations to immediately dismiss Walsh.“As law enforcement officials we hold these employees to higher standards,” she said. “Mr. Walsh’s actions have tainted a Sheriff’s Department that I know to be staffed with good, hardworking officers that conduct themselves with the utmost integrity. The termination of Mr. Walsh will allow the department to move forward and begin to restore the trust of our residents.”Walsh’s Babylon-based attorney, William Wexler, was not immediately available for comment. Walsh is scheduled to be arraigned Wednesday before Judge A. Kathleen Tomlinson.Michael Long, chairman of the state Conservative Party, told the Press: “We’ll let the justice system play out.”last_img read more

Vettel takes step towards world of virtual racing

first_imgSebastian Vettel has never been one for social media or had much time for esports but even the four-times world champion has shifted his stance, however slightly, under Formula One’s coronavirus lockdown.Although the 32-year-old Ferrari driver is still not remotely tempted by Twitter or Instagram, he has acquired a gaming rig. Just how much the German uses it remains to be seen.Rivals, including his Monegasque team mate Charles Leclerc, who has thrown himself enthusiastically into virtual racing in the absence of any real life track action, can probably rest easy though. “The truth is I didn’t have a simulator until a couple of days ago so I have not been tempted because I didn’t have the chance,” Vettel told reporters when asked in an online media session about any interest in esports.”I have heard a lot of things about so I thought I might get one and try it, but I need to still set it up properly,” he added.Leclerc, a two-times winner last season who also finished ahead of Vettel in the standings, won the virtual Vietnamese Grand Prix this month on his debut in the new Formula One esports race series.Red Bull’s Max Verstappen and Alexander Albon, McLaren’s Lando Norris, Alfa Romeo’s Antonio Giovinazzi and the Williams pairing of George Russell and Nicholas Latifi have also kept their hands in online as they wait for the season to start. Seven Formula One races have been postponed so far and organizers are talking of a reduced calendar possibly running into January.”Generally I’m not going to foresee a career in sim racing,” said Vettel.”I think it’s more something to try for fun. I grew up with some of the stuff and I’ve been playing some games but to be honest since I had kids it’s not the first thing on my list to do,” added the father of three.”I’m aware that some people take it very seriously and spend a lot of time there but I also enjoy doing other things.”Vettel and former team mate Kimi Raikkonen, now with Alfa Romeo and the oldest driver on the grid at 40, are similar in that they both live in Switzerland and guard their privacy closely.The Ferrari driver made clear he was not about to develop a Twitter following.”I have not progressed on social media,” he said. “I didn’t have the time. It’s something I never started so it doesn’t feel like I miss it.” center_img Topics :last_img read more