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Topic: Catastrophic failure

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In the News (Sun 22 Jul 18)

  Structural failure - Wikipedia, the free encyclopedia
Structural failure refers to loss of the load-carrying capacity of a component or member within the structure or of the structure itself.
Structural failure is initiated when the material is stressed to its strength limit, thus causing fracture or excessive deformations.
Ultimate failure strength is one of the limit states that must be accounted for in civil engineering.
en.wikipedia.org /wiki/Structural_failure   (248 words)

 s030106a - Catastrophic Antiphospholipid Syndrome - Plasmapheresis
[Intraalveolar hemorrhage as a cause of acute respiratory failure in catastrophic antiphospholipid syndrome].
In 11 (22%) patients, precipitating factors contributed to the development of catastrophic APS (infections in 3, drugs in 3, minor surgical procedures in 3, anticoagulation withdrawal in 2, and hysterectomy in 1).
Because of the fulminant nature of the catastrophic antiphospholipid syndrome, we conclude that a trial of TPE is warranted for the acute management.
www.emory.edu /WHSCL/grady/amreport/litsrch02/s030106a.html   (4524 words)

 Empfasis - Catastrophic Failure
Such failures, as shown in Figure 2-1, cause significant damage and are difficult to troubleshoot because evidence is often destroyed during failure.
Failures can occur at various stages of a product’s life cycle and are represented by the familiar bathtub curve shown in Figure 2-2.
The failure in Figure 2-5 is a magnification of the tantalum capacitor which was the origin for the damage displayed in Figure 2-1.
www.empf.org /empfasis/mar05/catafailure305.htm   (1057 words)

 GSFC EED - Code 562, ESD Failures
ESD damages are generally classified as either a catastrophic failure or a latent defect.
Catastrophic Failure When an electronic device is exposed to an ESD event, it may no longer function.
Thermal breakdown is caused by the injection of an electrical transient, such as an ESD pulse, of sufficient magnitude and duration to initiate a melt in a portion of the junction.
eed.gsfc.nasa.gov /562/ESD_Failures.htm   (512 words)

 OSD - SA01/2006 - Catastrophic failure of shell and tube production cooler
A recent serious incident occurred that involved the catastrophic failure of a shell and tube heat exchanger, and there is a potential risk of failure to heat exchangers of the same, or similar, design.
Failure of the bond resulted in rapid pressurisation of the bond interface, complete separation of the titanium cladding plate from the steel tube sheet, followed by over pressurisation of the shell and catastrophic failure of the cooler.
HSE considers that the emerging findings of this investigation are significant enough to require immediate action by duty holders in the light of the sudden and possibly catastrophic nature of this type of heat exchanger failure.
www.hse.gov.uk /offshore/alerts/sa_01_06.htm   (666 words)

 Feature - Machining Success From Insert Failure
Insert failure analysis is a method of determining how close a cutter and application match the optimum insert life span, as prescribed by the manufacturer.
Failure mode analysis is a method to help a shop specify an insert with substrate, coating, chipbreaker, edge preparation and coolant designed to reduce build-up edge enough for the insert to wear out at a consistent and predictable rate.
The trick is to identify the one failure mode that is causing catastrophic failure and try to minimize it to make tool life more predictable.
www.mmsonline.com /articles/019705.html   (1941 words)

 Failure Magazine-Archives-History-Failure of the Year 2005
So he's not only Failure of the Year; unofficially, we consider him to be our Person of the Year.
Most recently they have been touting the fact that there was a democratic election in Iraq earlier this month, but any named accomplishment seems to come with a long string of qualifiers, not to mention an exorbitant price tag.
Moreover, there have been so many failures on his watch that media coverage of each individual mistake/scandal/embarrassment is almost always superficial and short-lived.
www.failuremag.com /arch_history_failure_of_the_year_2005.html   (783 words)

 IngentaConnect Catastrophic Reproductive Failure, Terrestrial Survival, and Pers...   (Site not responding. Last check: 2007-11-02)
We hypothesized that the frequent episodes of catastrophic failure of the marbled salamander (Ambystoma opacum) enhance the importance of high terrestrial survival.
To study catastrophic failure, we adapted an age-structured, individual-based model with density-dependent growth and survival of larvae.
Catastrophic failure, occurring randomly with probability 0.5/year, created additional fluctuations in the population, raised the thresholds of survival required for persistence, and caused extinction under conditions that were otherwise favorable.
www.ingentaconnect.com /content/bsc/cbi/2006/00000020/00000003/art00039   (390 words)

 Aerospaceweb.org | Ask Us - Soviet N1 Lunar Rocket
Just four days after the N1 launch failure, cosmonauts Georgi Dobrovolsky, Viktor Patsayev, and Vladislav Volkov were killed while returning to Earth at the conclusion of their Soyuz 11 mission.
This failure was the last nail in the coffin for both the N1 program and the entire Soviet lunar landing effort.
One of the key reasons often cited for the failure of the N1 is the untimely death of chief designer Sergei Korolev.
www.aerospaceweb.org /question/spacecraft/q0196.shtml   (2122 words)

 SwRI: Failure and construction analysis of electronic and electrical components since 1978.   (Site not responding. Last check: 2007-11-02)
Failure analysis can help isolate the causes of catastrophic failures and identify a root cause or causes, and, as a result, recommendations to prevent future problems can be made.
Failure analysis and construction analysis of electronic and electrical components have been the primary emphases of the SwRI Component Analysis group since 1978.
The causes of catastrophic failure are isolated using systematic failure analysis of:
www.failureanalysis.swri.org   (469 words)

 Intelligent Enterprise Magazine - Data Warehouse Designer: Catastrophic Failure
A final general category of catastrophic loss comes from undue exposure to single-point failures, whether the failures are deliberately caused or not.
The single most effective and powerful approach for avoiding catastrophic failure of the data warehouse is a profoundly distributed architecture.
Although there are a number of approaches to building distributed decision-support systems, in my books and columns I have described a complete view of a "data warehouse bus architecture" that relies on a framework of conformed dimensions and facts to implement a profoundly distributed system in the sense of this column.
www.intelligententerprise.com /011112/417warehouse1_1.jhtml   (844 words)

 FAA's Aircraft Catastrophic Failure Prevention Program: History
The goal of this program is to prevent catastrophic failures and if prevention is not feasible, to mitigate the effects of such failures to allow for continued controlled flight to a safe landing.
As failure mechanisms and risk to the aircraft are defined, technologies which can deter the threat to the aircraft will be selected for evaluation and application.
Major inputs to the Aircraft Catastrophic Failure Prevention Research Program are data describing current and proposed aircraft designs and their development and operational characteristics.
www.tc.faa.gov /aar400/aar431/history.html   (918 words)

 Japan’s Adeos-2 Suffers Catastrophic Failure
The loss of Adeos-1 was traced to a structural failure of its solar array.
JAXA has set up two teams to investigate the Adeos-2 failure and develop corrective actions, and a preliminary report is due Nov. 5.
He declined to comment on the potential impact of the Adeos-2 failure on future missions but said Japan was still committed to launch the nation’s long-delayed second pair of spy satellites in the second half of November.
www.space.com /spacenews/archive03/adeosarch_111103.html   (826 words)

 The Gun Zone -- Portland Police Bureau   (Site not responding. Last check: 2007-11-02)
The last two G21s that experienced catastrophic failure were again weapons of academy trainees (these are not dedicated academy guns but rather the ones that will follow the officers into the streets).
According to PPB's Sergeant Mike Lee in a 31 March 2004 telephone interview, their con­clusion that the Glock Models 21 were the cause of the catastrophic failures as opposed to the ammunition, came as a result of intensive examination of the Federal High-Shok rounds from the two different lots involved.
Staff from the Training Division and Central Precinct analyzed the circumstances surround­ing the failures and concluded that the safest course of action was to transition to the exclusive use of the 9mm Glock handgun.
www.thegunzone.com /glock/ppb.html   (3109 words)

 catastrophic frame failure
This is an archived page of the "catastrophic frame failure" thread, click here to see the original thread.
I think frame failure is less and less common now though, becuase of the quality of materials.
Stress concentrations at near the joints of the frame are typically large enough to cause a fatigue failure sooner or later, depending on design.
www.bikeforums.net /archive/index.php/t-86479   (2637 words)

Given that an `engineering' model of the failure process is inherently difficult to formulate, the indirect approach I use in this paper is to consider the relative importance of a number of factors which might influence failure rates, and determine the importance of each of these factors statistically.
Model 1 in Table 2 shows that 46% of the variance in process failure rate is explained by the changes made per week on the dimensions of furnish and basis-weight.
However, the variance in failure rate due to computer integration alone is unlikely to be casually observable or distinguishable as a reason for increased process failures.
www.people.hbs.edu /dupton/papers/failcim/WorkingPaper.html   (6112 words)

 SwRI Failure Prevention of Structural Components: isolates the causes of catastrophic failure of components from ...
SwRI Failure Prevention of Structural Components: isolates the causes of catastrophic failure of components from compressors, diesel engines, aircraft, heat exchangers, pressure vessels, piping, medical devices, etc.
Using systematic failure analysis, Southwest Research Institute (SwRI) isolates the causes of catastrophic failure of components such as compressor components, diesel engine components, aircraft structures, heat exchangers, pressure vessels, piping, and medical devices.
Failure investigations help clients prevent failures, extend component service life, and establish inspection intervals.
www.swri.org /4org/d18/mateng/failprev/default.htm   (432 words)

 Quigley Scientific: Catastrophic Failure of Military Sub-System
A very critical problem of a military sub-system would cause catastrophic failure at low temperatures.
A temperature coefficient of expansion mismatch was found to be the issue leading to the failure.
One in the field failure was unacceptable and solutions were provided to identify the cause and to correct the problem.
www.qscorp.com /projects/p0036.htm   (51 words)

Now that we have paid a horrendous price for this intelligence failure, the FBI and the CIA are scurrying to learn more about young men from countries where bin Laden's Al Qaeda has support who have taken flight training in recent years.
Three weeks before the attacks, the CIA and FBI reportedly knew that two of the hijackers, including one with a link to the bombing of the U.S. destroyer Cole last October, were in the U.S. But they were not apprehended.
It said, "The scattered details that have emerged about the plot put this failure in stark relief: More than 50 people were likely involved, Justice Department officials have said, and the plot required extensive communications and planning to pull off.
www.aim.org /publications/aim_report/2001/18.html   (4699 words)

 Sen. Ted Kennedy To JHU SAIS Audience: Bush's Iraq Policies 'a Catastrophic Failure' | BaltimoreChronicle.com
He and his advisors predicted and even bragged that the war would be a cakewalk, but the expected welcoming garlands of roses became an endless bed of thorns.
President Bush’s Iraq policy is not, as he said during last fall’s campaign, a “catastrophic success.” It is a catastrophic failure.
The men and women of our armed forces are serving honorably and with great courage under extreme conditions, but their indefinite presence is fanning the flames of conflict.
baltimorechronicle.com /012805Kennedy.shtml   (3947 words)

 Katrina Report Blames Levees, Army Corps Of Engineers: 'We've Had A Catastrophic Failure' - CBS News
Many of the findings and details on floodwall design, storm modeling and soil types have been released in pieces in recent months as the Corps sought to show it was being open about what went wrong.
Also, engineers did not take into account the poor soil quality underneath New Orleans, the report said, and failed to account for the sinking of land, which caused some sections to be as much as 2 feet lower than other parts.
Four breaches in canals that run through New Orleans were caused by foundation failures that were "not considered in the original design of these structures," the report said.
www.cbsnews.com /stories/2006/06/01/storm/main1675244.shtml   (1146 words)

 SPORTBIKE.COM - Catastrophic Engine Failure
Man that sucks about your motor - but there are two major failures that can happen if a four stroke is laid down, and the engine continues to run...
The most common is the oil sump will lose it's oil, causing the pump to cavitate, and no oil to circulate until the motor is righted.
The most common result is a rod bearing failure, which at least requires disassembly of the motor to replace the bearing, but more than likely causes the rod to sieze, requiring the crankshaft and rod to be replaced (if it doesn't break).
www.sportbike.com /vbulletin/showthread.php?t=124   (1217 words)

 Catastrophic Failure of a Steam Turbine in a Power Plant
At the request of an insurance company, APTECH was retained by a Midwestern law firm to investigate the catastrophic failure of a power plant's intermediate-pressure (IP) steam turbine.
Our primary contacts for matters involving steam turbine failures can be reached at (408) 745-7000.
Failure analysis, heat transfer and thermodynamics, process plant equipment failures and explosions, fuel science, combustion, industrial fires and explosions.
www.failure-analysis-consultant.com /case_html/Steam-turbine-failure.html   (214 words)

 Blake Schwendiman's Blog and Blook: Catastrophic Failure of TV
Blake Schwendiman's Blog and Blook: Catastrophic Failure of TV Catastrophic Failure of TV Last night we watched the Suns v.
Catastrophic Failure of TV Last night we watched the Suns v.
This weblog is licensed under a Creative Commons License.
www.blakeschwendiman.com /blook/2006/05/catastrophic_failure_of_tv.html   (704 words)

 Catastrophic rim failure: no mystery here!   (Site not responding. Last check: 2007-11-02)
I had a blowout due to rim sidewall failure yesterday.
My reason for posting is to comment on the speed of the failure.
This is merely the hollow cheek syndrome from wear.
www.cyclingforums.com /t227029-.html   (1005 words)

 Catastrophic Brake Failure - Mtbr.com Forums
Is this kind of failure unusual, I've never had rim brake cables snap.
If this is your second brake cable failure in the same spot, there is something weird going on.
I have had the 10mm nut come off the arm that holds the actuaor lever on my BB7, causing a total unexpected failure, but never a cable snapping.
forums.mtbr.com /showthread.php?t=195916   (954 words)

 BTC: Airline industry headed for 'catastrophic failure' - Atlanta Business Chronicle:   (Site not responding. Last check: 2007-11-02)
Radnor, Pa.-based BTC was formed in 1996 as an advocacy organization to represent the interests of corporate buyers of the business travel services on issues in Washington, D.C. The organization made its warning citing the possibility of two or three major network airline liquidations, including Atlanta-based Delta (NYSE: DAL).
An unplanned-for catastrophic failure would cause short to mid-term disruptions and severe hardship for businesses and the communities in which they operate.
Moreover, the airline industry is an economic fulcrum over the balance of the travel and hospitality industries so that a catastrophic failure would negatively impact distributor, rental car, hotel and restaurant firms and their employees.
atlanta.bizjournals.com /atlanta/stories/2004/10/11/daily11.html?jst=b_ln_hl   (1025 words)

 nvcpl "catastrophic failure" using 5175 - nV News Forums
Any idea's what's causing this, I gather it's got something to do with an old file left over from my last set of drivers....
I get the "catastrophic failure" error box upon clicking on the GeForce4 ti4200 tab in advanced display properties
I had an nvcpl problem once before going from the 3xx to the 4xx drivers (done a clean install since that one cropped up though).
www.nvnews.net /vbulletin/showthread.php?t=18144   (179 words)

 Catastrophic failure ?? - TechIMO Forums
It occurs when I'm using takspad view in ISA 2000 management console and when the view is "empty"...
There should be a list of rules (for ex) but the window is blank, so I hit "refresh" and that's when the "catastrophic failure" happens
could not find anything about this "catastrophic failure"...
www.techimo.com /forum/showthread.php?t=40761   (163 words)

 0x8000FFFF "Catastrophic failure" Message with SQL Server ODBC Driver
Therefore, the function pointer appears to refer to a valid address but the location it points to in memory is no longer valid.
This access violation (AV) is being caught by the exception handling in the OLE DB Service Components, and an 0x08000FFFF "Catastrophic failure" message is then returned to the client.
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article.
support.microsoft.com /default.aspx?scid=http://support.microsoft.com:80/support/kb/articles/Q243/3/49.ASP&NoWebContent=1   (627 words)

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